20153665740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{421}}^1\times {\mathrm{4721}}^1$

素因数の和:5180

約数の個数: 144

約数和(自身を含む): 61263076896

約数和(自身を除く): 41109411156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 421, 507, 676, 780, 842, 845, 1014, 1263, 1684, 1690, 2028, 2105, 2526, 2535, 3380, 4210, 4721, 5052, 5070, 5473, 6315, 8420, 9442, 10140, 10946, 12630, 14163, 16419, 18884, 21892, 23605, 25260, 27365, 28326, 32838, 47210, 54730, 56652, 61373, 65676, 70815, 71149, 82095, 94420, 109460, 122746, 141630, 142298, 164190, 184119, 213447, 245492, 283260, 284596, 306865, 328380, 355745, 368238, 426894, 613730, 711490, 736476, 797849, 853788, 920595, 1067235, 1227460, 1422980, 1595698, 1841190, 1987541, 2134470, 2393547, 3191396, 3682380, 3975082, 3989245, 4268940, 4787094, 5962623, 7950164, 7978490, 9574188, 9937705, 11925246, 11967735, 15956980, 19875410, 23850492, 23935470, 25838033, 29813115, 39750820, 47870940, 51676066, 59626230, 77514099, 103352132, 119252460, 129190165, 155028198, 258380330, 310056396, 335894429, 387570495, 516760660, 671788858, 775140990, 1007683287, 1343577716, 1550281980, 1679472145, 2015366574, 3358944290, 4030733148, 5038416435, 6717888580, 10076832870, 20153665740]

約数ペア:

[(1, 20153665740), (2, 10076832870), (3, 6717888580), (4, 5038416435), (5, 4030733148), (6, 3358944290), (10, 2015366574), (12, 1679472145), (13, 1550281980), (15, 1343577716), (20, 1007683287), (26, 775140990), (30, 671788858), (39, 516760660), (52, 387570495), (60, 335894429), (65, 310056396), (78, 258380330), (130, 155028198), (156, 129190165), (169, 119252460), (195, 103352132), (260, 77514099), (338, 59626230), (390, 51676066), (421, 47870940), (507, 39750820), (676, 29813115), (780, 25838033), (842, 23935470), (845, 23850492), (1014, 19875410), (1263, 15956980), (1684, 11967735), (1690, 11925246), (2028, 9937705), (2105, 9574188), (2526, 7978490), (2535, 7950164), (3380, 5962623), (4210, 4787094), (4721, 4268940), (5052, 3989245), (5070, 3975082), (5473, 3682380), (6315, 3191396), (8420, 2393547), (9442, 2134470), (10140, 1987541), (10946, 1841190), (12630, 1595698), (14163, 1422980), (16419, 1227460), (18884, 1067235), (21892, 920595), (23605, 853788), (25260, 797849), (27365, 736476), (28326, 711490), (32838, 613730), (47210, 426894), (54730, 368238), (56652, 355745), (61373, 328380), (65676, 306865), (70815, 284596), (71149, 283260), (82095, 245492), (94420, 213447), (109460, 184119), (122746, 164190), (141630, 142298)]