20129992070

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{210191}}^1$

素因数の和:210416

約数の個数: 32

約数和(自身を含む): 37062734976

約数和(自身を除く): 16932742906

約数列:

[1, 2, 5, 10, 61, 122, 157, 305, 314, 610, 785, 1570, 9577, 19154, 47885, 95770, 210191, 420382, 1050955, 2101910, 12821651, 25643302, 32999987, 64108255, 65999974, 128216510, 164999935, 329999870, 2012999207, 4025998414, 10064996035, 20129992070]

約数ペア:

[(1, 20129992070), (2, 10064996035), (5, 4025998414), (10, 2012999207), (61, 329999870), (122, 164999935), (157, 128216510), (305, 65999974), (314, 64108255), (610, 32999987), (785, 25643302), (1570, 12821651), (9577, 2101910), (19154, 1050955), (47885, 420382), (95770, 210191)]