13009820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{2917}}^1$

素因数の和:3149

約数の個数: 24

約数和(自身を含む): 27452544

約数和(自身を除く): 14442724

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 2917, 4460, 5834, 11668, 14585, 29170, 58340, 650491, 1300982, 2601964, 3252455, 6504910, 13009820]

約数ペア:

[(1, 13009820), (2, 6504910), (4, 3252455), (5, 2601964), (10, 1300982), (20, 650491), (223, 58340), (446, 29170), (892, 14585), (1115, 11668), (2230, 5834), (2917, 4460)]