20512223056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98616457}}^1$

素因数の和:98616478

約数の個数: 20

約数和(自身を含む): 42799542772

約数和(自身を除く): 22287319716

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98616457, 197232914, 394465828, 788931656, 1282013941, 1577863312, 2564027882, 5128055764, 10256111528, 20512223056]

約数ペア:

[(1, 20512223056), (2, 10256111528), (4, 5128055764), (8, 2564027882), (13, 1577863312), (16, 1282013941), (26, 788931656), (52, 394465828), (104, 197232914), (208, 98616457)]