31906820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{145031}}^1$

素因数の和:145051

約数の個数: 24

約数和(自身を含む): 73096128

約数和(自身を除く): 41189308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 145031, 290062, 580124, 725155, 1450310, 1595341, 2900620, 3190682, 6381364, 7976705, 15953410, 31906820]

約数ペア:

[(1, 31906820), (2, 15953410), (4, 7976705), (5, 6381364), (10, 3190682), (11, 2900620), (20, 1595341), (22, 1450310), (44, 725155), (55, 580124), (110, 290062), (220, 145031)]