20052967420

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6151217}}^1$

素因数の和:6151389

約数の個数: 24

約数和(自身を含む): 42369589584

約数和(自身を除く): 22316622164

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 6151217, 12302434, 24604868, 30756085, 61512170, 123024340, 1002648371, 2005296742, 4010593484, 5013241855, 10026483710, 20052967420]

約数ペア:

[(1, 20052967420), (2, 10026483710), (4, 5013241855), (5, 4010593484), (10, 2005296742), (20, 1002648371), (163, 123024340), (326, 61512170), (652, 30756085), (815, 24604868), (1630, 12302434), (3260, 6151217)]