20291266820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8384821}}^1$

素因数の和:8384852

約数の個数: 36

約数和(自身を含む): 46837615692

約数和(自身を除く): 26546348872

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 8384821, 16769642, 33539284, 41924105, 83848210, 92233031, 167696420, 184466062, 368932124, 461165155, 922330310, 1014563341, 1844660620, 2029126682, 4058253364, 5072816705, 10145633410, 20291266820]

約数ペア:

[(1, 20291266820), (2, 10145633410), (4, 5072816705), (5, 4058253364), (10, 2029126682), (11, 1844660620), (20, 1014563341), (22, 922330310), (44, 461165155), (55, 368932124), (110, 184466062), (121, 167696420), (220, 92233031), (242, 83848210), (484, 41924105), (605, 33539284), (1210, 16769642), (2420, 8384821)]