20940008

素因数分解:

$2^3\times {\mathrm{241}}^1\times {\mathrm{10861}}^1$

素因数の和:11108

約数の個数: 16

約数和(自身を含む): 39429060

約数和(自身を除く): 18489052

約数列:

[1, 2, 4, 8, 241, 482, 964, 1928, 10861, 21722, 43444, 86888, 2617501, 5235002, 10470004, 20940008]

約数ペア:

[(1, 20940008), (2, 10470004), (4, 5235002), (8, 2617501), (241, 86888), (482, 43444), (964, 21722), (1928, 10861)]