20408967688

素因数分解:

$2^3\times {\mathrm{233}}^1\times {\mathrm{953}}^1\times {\mathrm{11489}}^1$

素因数の和:12681

約数の個数: 32

約数和(自身を含む): 38474724600

約数和(自身を除く): 18065756912

約数列:

[1, 2, 4, 8, 233, 466, 932, 953, 1864, 1906, 3812, 7624, 11489, 22978, 45956, 91912, 222049, 444098, 888196, 1776392, 2676937, 5353874, 10707748, 10949017, 21415496, 21898034, 43796068, 87592136, 2551120961, 5102241922, 10204483844, 20408967688]

約数ペア:

[(1, 20408967688), (2, 10204483844), (4, 5102241922), (8, 2551120961), (233, 87592136), (466, 43796068), (932, 21898034), (953, 21415496), (1864, 10949017), (1906, 10707748), (3812, 5353874), (7624, 2676937), (11489, 1776392), (22978, 888196), (45956, 444098), (91912, 222049)]