20463410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 44043264

約数和(自身を除く): 23579854

約数列:

[1, 2, 5, 10, 11, 17, 22, 31, 34, 55, 62, 85, 110, 155, 170, 187, 310, 341, 353, 374, 527, 682, 706, 935, 1054, 1705, 1765, 1870, 2635, 3410, 3530, 3883, 5270, 5797, 6001, 7766, 10943, 11594, 12002, 19415, 21886, 28985, 30005, 38830, 54715, 57970, 60010, 66011, 109430, 120373, 132022, 186031, 240746, 330055, 372062, 601865, 660110, 930155, 1203730, 1860310, 2046341, 4092682, 10231705, 20463410]

約数ペア:

[(1, 20463410), (2, 10231705), (5, 4092682), (10, 2046341), (11, 1860310), (17, 1203730), (22, 930155), (31, 660110), (34, 601865), (55, 372062), (62, 330055), (85, 240746), (110, 186031), (155, 132022), (170, 120373), (187, 109430), (310, 66011), (341, 60010), (353, 57970), (374, 54715), (527, 38830), (682, 30005), (706, 28985), (935, 21886), (1054, 19415), (1705, 12002), (1765, 11594), (1870, 10943), (2635, 7766), (3410, 6001), (3530, 5797), (3883, 5270)]