20853568

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{1999}}^1$

素因数の和:2174

約数の個数: 28

約数和(自身を含む): 41656000

約数和(自身を除く): 20802432

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 326, 652, 1304, 1999, 2608, 3998, 5216, 7996, 10432, 15992, 31984, 63968, 127936, 325837, 651674, 1303348, 2606696, 5213392, 10426784, 20853568]

約数ペア:

[(1, 20853568), (2, 10426784), (4, 5213392), (8, 2606696), (16, 1303348), (32, 651674), (64, 325837), (163, 127936), (326, 63968), (652, 31984), (1304, 15992), (1999, 10432), (2608, 7996), (3998, 5216)]