20539408

素因数分解:

$2^4\times {\mathrm{53}}^2\times {\mathrm{457}}^1$

素因数の和:571

約数の個数: 30

約数和(自身を含む): 40648874

約数和(自身を除く): 20109466

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 457, 848, 914, 1828, 2809, 3656, 5618, 7312, 11236, 22472, 24221, 44944, 48442, 96884, 193768, 387536, 1283713, 2567426, 5134852, 10269704, 20539408]

約数ペア:

[(1, 20539408), (2, 10269704), (4, 5134852), (8, 2567426), (16, 1283713), (53, 387536), (106, 193768), (212, 96884), (424, 48442), (457, 44944), (848, 24221), (914, 22472), (1828, 11236), (2809, 7312), (3656, 5618)]