20199291990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:327

約数の個数: 256

約数和(自身を含む): 53215211520

約数和(自身を除く): 33015919530

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 47, 58, 67, 73, 87, 94, 101, 134, 141, 145, 146, 174, 201, 202, 219, 235, 282, 290, 303, 335, 365, 402, 435, 438, 470, 505, 606, 670, 705, 730, 870, 1005, 1010, 1095, 1363, 1410, 1515, 1943, 2010, 2117, 2190, 2726, 2929, 3030, 3149, 3431, 3886, 4089, 4234, 4747, 4891, 5829, 5858, 6298, 6351, 6767, 6815, 6862, 7373, 8178, 8787, 9447, 9494, 9715, 9782, 10293, 10585, 11658, 12702, 13534, 13630, 14241, 14645, 14673, 14746, 15745, 17155, 17574, 18894, 19430, 20301, 20445, 20586, 21170, 22119, 23735, 24455, 28482, 29145, 29290, 29346, 31490, 31755, 33835, 34310, 36865, 40602, 40890, 43935, 44238, 47235, 47470, 48910, 51465, 58290, 63510, 67670, 71205, 73365, 73730, 87870, 91321, 94470, 99499, 101505, 102930, 110595, 137663, 141839, 142410, 146730, 182642, 196243, 198998, 203010, 213817, 221190, 229877, 273963, 275326, 283678, 298497, 318049, 346531, 392486, 412989, 425517, 427634, 456605, 459754, 493991, 497495, 547926, 588729, 596994, 636098, 641451, 688315, 689631, 693062, 709195, 825978, 851034, 913210, 954147, 981215, 987982, 994990, 1039593, 1069085, 1149385, 1177458, 1282902, 1369815, 1376630, 1379262, 1418390, 1481973, 1492485, 1590245, 1732655, 1908294, 1962430, 2064945, 2079186, 2127585, 2138170, 2298770, 2469955, 2739630, 2943645, 2963946, 2984970, 3180490, 3207255, 3448155, 3465310, 4129890, 4255170, 4770735, 4939910, 5197965, 5887290, 6414510, 6666433, 6896310, 7409865, 9223421, 9541470, 10049399, 10395930, 13332866, 14325739, 14819730, 18446842, 19999299, 20098798, 23217577, 27670263, 28651478, 30148197, 33332165, 39998598, 42977217, 46117105, 46435154, 50246995, 55340526, 60296394, 66664330, 69652731, 71628695, 85954434, 92234210, 99996495, 100493990, 116087885, 138351315, 139305462, 143257390, 150740985, 199992990, 214886085, 232175770, 276702630, 301481970, 348263655, 429772170, 673309733, 696527310, 1346619466, 2019929199, 3366548665, 4039858398, 6733097330, 10099645995, 20199291990]

約数ペア:

[(1, 20199291990), (2, 10099645995), (3, 6733097330), (5, 4039858398), (6, 3366548665), (10, 2019929199), (15, 1346619466), (29, 696527310), (30, 673309733), (47, 429772170), (58, 348263655), (67, 301481970), (73, 276702630), (87, 232175770), (94, 214886085), (101, 199992990), (134, 150740985), (141, 143257390), (145, 139305462), (146, 138351315), (174, 116087885), (201, 100493990), (202, 99996495), (219, 92234210), (235, 85954434), (282, 71628695), (290, 69652731), (303, 66664330), (335, 60296394), (365, 55340526), (402, 50246995), (435, 46435154), (438, 46117105), (470, 42977217), (505, 39998598), (606, 33332165), (670, 30148197), (705, 28651478), (730, 27670263), (870, 23217577), (1005, 20098798), (1010, 19999299), (1095, 18446842), (1363, 14819730), (1410, 14325739), (1515, 13332866), (1943, 10395930), (2010, 10049399), (2117, 9541470), (2190, 9223421), (2726, 7409865), (2929, 6896310), (3030, 6666433), (3149, 6414510), (3431, 5887290), (3886, 5197965), (4089, 4939910), (4234, 4770735), (4747, 4255170), (4891, 4129890), (5829, 3465310), (5858, 3448155), (6298, 3207255), (6351, 3180490), (6767, 2984970), (6815, 2963946), (6862, 2943645), (7373, 2739630), (8178, 2469955), (8787, 2298770), (9447, 2138170), (9494, 2127585), (9715, 2079186), (9782, 2064945), (10293, 1962430), (10585, 1908294), (11658, 1732655), (12702, 1590245), (13534, 1492485), (13630, 1481973), (14241, 1418390), (14645, 1379262), (14673, 1376630), (14746, 1369815), (15745, 1282902), (17155, 1177458), (17574, 1149385), (18894, 1069085), (19430, 1039593), (20301, 994990), (20445, 987982), (20586, 981215), (21170, 954147), (22119, 913210), (23735, 851034), (24455, 825978), (28482, 709195), (29145, 693062), (29290, 689631), (29346, 688315), (31490, 641451), (31755, 636098), (33835, 596994), (34310, 588729), (36865, 547926), (40602, 497495), (40890, 493991), (43935, 459754), (44238, 456605), (47235, 427634), (47470, 425517), (48910, 412989), (51465, 392486), (58290, 346531), (63510, 318049), (67670, 298497), (71205, 283678), (73365, 275326), (73730, 273963), (87870, 229877), (91321, 221190), (94470, 213817), (99499, 203010), (101505, 198998), (102930, 196243), (110595, 182642), (137663, 146730), (141839, 142410)]