20403969390

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{3607}}^1$

素因数の和:3744

約数の個数: 256

約数和(自身を含む): 64590704640

約数和(自身を除く): 44186735250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 41, 42, 45, 54, 63, 70, 73, 82, 90, 105, 123, 126, 135, 146, 189, 205, 210, 219, 246, 270, 287, 315, 365, 369, 378, 410, 438, 511, 574, 615, 630, 657, 730, 738, 861, 945, 1022, 1095, 1107, 1230, 1314, 1435, 1533, 1722, 1845, 1890, 1971, 2190, 2214, 2555, 2583, 2870, 2993, 3066, 3285, 3607, 3690, 3942, 4305, 4599, 5110, 5166, 5535, 5986, 6570, 7214, 7665, 7749, 8610, 8979, 9198, 9855, 10821, 11070, 12915, 13797, 14965, 15330, 15498, 17958, 18035, 19710, 20951, 21642, 22995, 25249, 25830, 26937, 27594, 29930, 32463, 36070, 38745, 41902, 44895, 45990, 50498, 53874, 54105, 62853, 64926, 68985, 75747, 77490, 80811, 89790, 97389, 104755, 108210, 125706, 126245, 134685, 137970, 147887, 151494, 161622, 162315, 188559, 194778, 209510, 227241, 252490, 263311, 269370, 295774, 314265, 324630, 377118, 378735, 404055, 443661, 454482, 486945, 526622, 565677, 628530, 681723, 739435, 757470, 789933, 808110, 887322, 942795, 973890, 1035209, 1131354, 1136205, 1316555, 1330983, 1363446, 1478870, 1579866, 1843177, 1885590, 2070418, 2218305, 2272410, 2369799, 2633110, 2661966, 2828385, 3105627, 3408615, 3686354, 3949665, 3992949, 4436610, 4739598, 5176045, 5529531, 5656770, 6211254, 6654915, 6817230, 7109397, 7899330, 7985898, 9215885, 9316881, 10352090, 10795751, 11059062, 11848995, 13309830, 14218794, 15528135, 16588593, 18431770, 18633762, 19964745, 21591502, 23697990, 27647655, 27950643, 31056270, 32387253, 33177186, 35546985, 39929490, 46584405, 49765779, 53978755, 55295310, 55901286, 64774506, 71093970, 75570257, 82942965, 93168810, 97161759, 99531558, 107957510, 139753215, 151140514, 161936265, 165885930, 194323518, 226710771, 248828895, 279506430, 291485277, 323872530, 377851285, 453421542, 485808795, 497657790, 582970554, 680132313, 755702570, 971617590, 1133553855, 1360264626, 1457426385, 2040396939, 2267107710, 2914852770, 3400661565, 4080793878, 6801323130, 10201984695, 20403969390]

約数ペア:

[(1, 20403969390), (2, 10201984695), (3, 6801323130), (5, 4080793878), (6, 3400661565), (7, 2914852770), (9, 2267107710), (10, 2040396939), (14, 1457426385), (15, 1360264626), (18, 1133553855), (21, 971617590), (27, 755702570), (30, 680132313), (35, 582970554), (41, 497657790), (42, 485808795), (45, 453421542), (54, 377851285), (63, 323872530), (70, 291485277), (73, 279506430), (82, 248828895), (90, 226710771), (105, 194323518), (123, 165885930), (126, 161936265), (135, 151140514), (146, 139753215), (189, 107957510), (205, 99531558), (210, 97161759), (219, 93168810), (246, 82942965), (270, 75570257), (287, 71093970), (315, 64774506), (365, 55901286), (369, 55295310), (378, 53978755), (410, 49765779), (438, 46584405), (511, 39929490), (574, 35546985), (615, 33177186), (630, 32387253), (657, 31056270), (730, 27950643), (738, 27647655), (861, 23697990), (945, 21591502), (1022, 19964745), (1095, 18633762), (1107, 18431770), (1230, 16588593), (1314, 15528135), (1435, 14218794), (1533, 13309830), (1722, 11848995), (1845, 11059062), (1890, 10795751), (1971, 10352090), (2190, 9316881), (2214, 9215885), (2555, 7985898), (2583, 7899330), (2870, 7109397), (2993, 6817230), (3066, 6654915), (3285, 6211254), (3607, 5656770), (3690, 5529531), (3942, 5176045), (4305, 4739598), (4599, 4436610), (5110, 3992949), (5166, 3949665), (5535, 3686354), (5986, 3408615), (6570, 3105627), (7214, 2828385), (7665, 2661966), (7749, 2633110), (8610, 2369799), (8979, 2272410), (9198, 2218305), (9855, 2070418), (10821, 1885590), (11070, 1843177), (12915, 1579866), (13797, 1478870), (14965, 1363446), (15330, 1330983), (15498, 1316555), (17958, 1136205), (18035, 1131354), (19710, 1035209), (20951, 973890), (21642, 942795), (22995, 887322), (25249, 808110), (25830, 789933), (26937, 757470), (27594, 739435), (29930, 681723), (32463, 628530), (36070, 565677), (38745, 526622), (41902, 486945), (44895, 454482), (45990, 443661), (50498, 404055), (53874, 378735), (54105, 377118), (62853, 324630), (64926, 314265), (68985, 295774), (75747, 269370), (77490, 263311), (80811, 252490), (89790, 227241), (97389, 209510), (104755, 194778), (108210, 188559), (125706, 162315), (126245, 161622), (134685, 151494), (137970, 147887)]