20059490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{631}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 41909184

約数和(自身を除く): 21849694

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 631, 935, 1262, 1445, 1870, 2890, 3155, 3179, 6310, 6358, 6941, 10727, 13882, 15895, 21454, 31790, 34705, 53635, 69410, 107270, 117997, 182359, 235994, 364718, 589985, 911795, 1179970, 1823590, 2005949, 4011898, 10029745, 20059490]

約数ペア:

[(1, 20059490), (2, 10029745), (5, 4011898), (10, 2005949), (11, 1823590), (17, 1179970), (22, 911795), (34, 589985), (55, 364718), (85, 235994), (110, 182359), (170, 117997), (187, 107270), (289, 69410), (374, 53635), (578, 34705), (631, 31790), (935, 21454), (1262, 15895), (1445, 13882), (1870, 10727), (2890, 6941), (3155, 6358), (3179, 6310)]