20195902120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3097531}}^1$

素因数の和:3097705

約数の個数: 32

約数和(自身を含む): 45719572320

約数和(自身を除く): 25523670200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 3097531, 6195062, 12390124, 15487655, 24780248, 30975310, 61950620, 123901240, 504897553, 1009795106, 2019590212, 2524487765, 4039180424, 5048975530, 10097951060, 20195902120]

約数ペア:

[(1, 20195902120), (2, 10097951060), (4, 5048975530), (5, 4039180424), (8, 2524487765), (10, 2019590212), (20, 1009795106), (40, 504897553), (163, 123901240), (326, 61950620), (652, 30975310), (815, 24780248), (1304, 15487655), (1630, 12390124), (3260, 6195062), (6520, 3097531)]