2005909180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9117769}}^1$

素因数の和:9117789

約数の個数: 24

約数和(自身を含む): 4595356080

約数和(自身を除く): 2589446900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 9117769, 18235538, 36471076, 45588845, 91177690, 100295459, 182355380, 200590918, 401181836, 501477295, 1002954590, 2005909180]

約数ペア:

[(1, 2005909180), (2, 1002954590), (4, 501477295), (5, 401181836), (10, 200590918), (11, 182355380), (20, 100295459), (22, 91177690), (44, 45588845), (55, 36471076), (110, 18235538), (220, 9117769)]