20836976

素因数分解:

$2^4\times {\mathrm{239}}^1\times {\mathrm{5449}}^1$

素因数の和:5696

約数の個数: 20

約数和(自身を含む): 40548000

約数和(自身を除く): 19711024

約数列:

[1, 2, 4, 8, 16, 239, 478, 956, 1912, 3824, 5449, 10898, 21796, 43592, 87184, 1302311, 2604622, 5209244, 10418488, 20836976]

約数ペア:

[(1, 20836976), (2, 10418488), (4, 5209244), (8, 2604622), (16, 1302311), (239, 87184), (478, 43592), (956, 21796), (1912, 10898), (3824, 5449)]