20909368370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{739631}}^1$

素因数の和:739906

約数の個数: 32

約数和(自身を含む): 41218212096

約数和(自身を除く): 20308843726

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 257, 514, 1285, 2570, 2827, 5654, 14135, 28270, 739631, 1479262, 3698155, 7396310, 8135941, 16271882, 40679705, 81359410, 190085167, 380170334, 950425835, 1900851670, 2090936837, 4181873674, 10454684185, 20909368370]

約数ペア:

[(1, 20909368370), (2, 10454684185), (5, 4181873674), (10, 2090936837), (11, 1900851670), (22, 950425835), (55, 380170334), (110, 190085167), (257, 81359410), (514, 40679705), (1285, 16271882), (2570, 8135941), (2827, 7396310), (5654, 3698155), (14135, 1479262), (28270, 739631)]