20512483980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{1871}}^1$

素因数の和:2124

約数の個数: 192

約数和(自身を含む): 61892812800

約数和(自身を除く): 41380328820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 59, 60, 76, 95, 114, 118, 163, 177, 190, 228, 236, 285, 295, 326, 354, 380, 489, 570, 590, 652, 708, 815, 885, 978, 1121, 1140, 1180, 1630, 1770, 1871, 1956, 2242, 2445, 3097, 3260, 3363, 3540, 3742, 4484, 4890, 5605, 5613, 6194, 6726, 7484, 9291, 9355, 9617, 9780, 11210, 11226, 12388, 13452, 15485, 16815, 18582, 18710, 19234, 22420, 22452, 28065, 28851, 30970, 33630, 35549, 37164, 37420, 38468, 46455, 48085, 56130, 57702, 61940, 67260, 71098, 92910, 96170, 106647, 110389, 112260, 115404, 142196, 144255, 177745, 182723, 185820, 192340, 213294, 220778, 288510, 304973, 331167, 355490, 365446, 426588, 441556, 533235, 548169, 551945, 577020, 609946, 662334, 710980, 730892, 913615, 914919, 1066470, 1096338, 1103890, 1219892, 1324668, 1524865, 1655835, 1827230, 1829838, 2097391, 2132940, 2192676, 2207780, 2740845, 3049730, 3311670, 3654460, 3659676, 4194782, 4574595, 5481690, 5794487, 6099460, 6292173, 6623340, 8389564, 9149190, 10486955, 10963380, 11588974, 12584346, 17383461, 17993407, 18298380, 20973910, 23177948, 25168692, 28972435, 31460865, 34766922, 35986814, 41947820, 53980221, 57944870, 62921730, 69533844, 71973628, 86917305, 89967035, 107960442, 115889740, 125843460, 173834610, 179934070, 215920884, 269901105, 341874733, 347669220, 359868140, 539802210, 683749466, 1025624199, 1079604420, 1367498932, 1709373665, 2051248398, 3418747330, 4102496796, 5128120995, 6837494660, 10256241990, 20512483980]

約数ペア:

[(1, 20512483980), (2, 10256241990), (3, 6837494660), (4, 5128120995), (5, 4102496796), (6, 3418747330), (10, 2051248398), (12, 1709373665), (15, 1367498932), (19, 1079604420), (20, 1025624199), (30, 683749466), (38, 539802210), (57, 359868140), (59, 347669220), (60, 341874733), (76, 269901105), (95, 215920884), (114, 179934070), (118, 173834610), (163, 125843460), (177, 115889740), (190, 107960442), (228, 89967035), (236, 86917305), (285, 71973628), (295, 69533844), (326, 62921730), (354, 57944870), (380, 53980221), (489, 41947820), (570, 35986814), (590, 34766922), (652, 31460865), (708, 28972435), (815, 25168692), (885, 23177948), (978, 20973910), (1121, 18298380), (1140, 17993407), (1180, 17383461), (1630, 12584346), (1770, 11588974), (1871, 10963380), (1956, 10486955), (2242, 9149190), (2445, 8389564), (3097, 6623340), (3260, 6292173), (3363, 6099460), (3540, 5794487), (3742, 5481690), (4484, 4574595), (4890, 4194782), (5605, 3659676), (5613, 3654460), (6194, 3311670), (6726, 3049730), (7484, 2740845), (9291, 2207780), (9355, 2192676), (9617, 2132940), (9780, 2097391), (11210, 1829838), (11226, 1827230), (12388, 1655835), (13452, 1524865), (15485, 1324668), (16815, 1219892), (18582, 1103890), (18710, 1096338), (19234, 1066470), (22420, 914919), (22452, 913615), (28065, 730892), (28851, 710980), (30970, 662334), (33630, 609946), (35549, 577020), (37164, 551945), (37420, 548169), (38468, 533235), (46455, 441556), (48085, 426588), (56130, 365446), (57702, 355490), (61940, 331167), (67260, 304973), (71098, 288510), (92910, 220778), (96170, 213294), (106647, 192340), (110389, 185820), (112260, 182723), (115404, 177745), (142196, 144255)]