664860020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3022091}}^1$

素因数の和:3022111

約数の個数: 24

約数和(自身を含む): 1523134368

約数和(自身を除く): 858274348

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3022091, 6044182, 12088364, 15110455, 30220910, 33243001, 60441820, 66486002, 132972004, 166215005, 332430010, 664860020]

約数ペア:

[(1, 664860020), (2, 332430010), (4, 166215005), (5, 132972004), (10, 66486002), (11, 60441820), (20, 33243001), (22, 30220910), (44, 15110455), (55, 12088364), (110, 6044182), (220, 3022091)]