20371360

素因数分解:

$2^5\times 5^1\times {\mathrm{127321}}^1$

素因数の和:127336

約数の個数: 24

約数和(自身を含む): 48127716

約数和(自身を除く): 27756356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127321, 254642, 509284, 636605, 1018568, 1273210, 2037136, 2546420, 4074272, 5092840, 10185680, 20371360]

約数ペア:

[(1, 20371360), (2, 10185680), (4, 5092840), (5, 4074272), (8, 2546420), (10, 2037136), (16, 1273210), (20, 1018568), (32, 636605), (40, 509284), (80, 254642), (160, 127321)]