8820656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{42407}}^1$

素因数の和:42428

約数の個数: 20

約数和(自身を含む): 18405072

約数和(自身を除く): 9584416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 42407, 84814, 169628, 339256, 551291, 678512, 1102582, 2205164, 4410328, 8820656]

約数ペア:

[(1, 8820656), (2, 4410328), (4, 2205164), (8, 1102582), (13, 678512), (16, 551291), (26, 339256), (52, 169628), (104, 84814), (208, 42407)]