20806624

素因数分解:

$2^5\times {\mathrm{163}}^1\times {\mathrm{3989}}^1$

素因数の和:4162

約数の個数: 24

約数和(自身を含む): 41224680

約数和(自身を除く): 20418056

約数列:

[1, 2, 4, 8, 16, 32, 163, 326, 652, 1304, 2608, 3989, 5216, 7978, 15956, 31912, 63824, 127648, 650207, 1300414, 2600828, 5201656, 10403312, 20806624]

約数ペア:

[(1, 20806624), (2, 10403312), (4, 5201656), (8, 2600828), (16, 1300414), (32, 650207), (163, 127648), (326, 63824), (652, 31912), (1304, 15956), (2608, 7978), (3989, 5216)]