20112896

素因数分解:

$2^9\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:422

約数の個数: 40

約数和(自身を含む): 40600824

約数和(自身を除く): 20487928

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 241, 256, 326, 482, 512, 652, 964, 1304, 1928, 2608, 3856, 5216, 7712, 10432, 15424, 20864, 30848, 39283, 41728, 61696, 78566, 83456, 123392, 157132, 314264, 628528, 1257056, 2514112, 5028224, 10056448, 20112896]

約数ペア:

[(1, 20112896), (2, 10056448), (4, 5028224), (8, 2514112), (16, 1257056), (32, 628528), (64, 314264), (128, 157132), (163, 123392), (241, 83456), (256, 78566), (326, 61696), (482, 41728), (512, 39283), (652, 30848), (964, 20864), (1304, 15424), (1928, 10432), (2608, 7712), (3856, 5216)]