20736693890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6500531}}^1$

素因数の和:6500578

約数の個数: 32

約数和(自身を含む): 42123447360

約数和(自身を除く): 21386753470

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 6500531, 13001062, 32502655, 65005310, 71505841, 143011682, 188515399, 357529205, 377030798, 715058410, 942576995, 1885153990, 2073669389, 4147338778, 10368346945, 20736693890]

約数ペア:

[(1, 20736693890), (2, 10368346945), (5, 4147338778), (10, 2073669389), (11, 1885153990), (22, 942576995), (29, 715058410), (55, 377030798), (58, 357529205), (110, 188515399), (145, 143011682), (290, 71505841), (319, 65005310), (638, 32502655), (1595, 13001062), (3190, 6500531)]