20853870033

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{520423}}^1$

素因数の和:520501

約数の個数: 24

約数和(自身を含む): 30138794688

約数和(自身を除く): 9284924655

約数列:

[1, 3, 19, 37, 57, 111, 361, 703, 1083, 2109, 13357, 40071, 520423, 1561269, 9888037, 19255651, 29664111, 57766953, 187872703, 365857369, 563618109, 1097572107, 6951290011, 20853870033]

約数ペア:

[(1, 20853870033), (3, 6951290011), (19, 1097572107), (37, 563618109), (57, 365857369), (111, 187872703), (361, 57766953), (703, 29664111), (1083, 19255651), (2109, 9888037), (13357, 1561269), (40071, 520423)]