20195576120

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3097481}}^1$

素因数の和:3097655

約数の個数: 32

約数和(自身を含む): 45718834320

約数和(自身を除く): 25523258200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 3097481, 6194962, 12389924, 15487405, 24779848, 30974810, 61949620, 123899240, 504889403, 1009778806, 2019557612, 2524447015, 4039115224, 5048894030, 10097788060, 20195576120]

約数ペア:

[(1, 20195576120), (2, 10097788060), (4, 5048894030), (5, 4039115224), (8, 2524447015), (10, 2019557612), (20, 1009778806), (40, 504889403), (163, 123899240), (326, 61949620), (652, 30974810), (815, 24779848), (1304, 15487405), (1630, 12389924), (3260, 6194962), (6520, 3097481)]