20878710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{30259}}^1$

素因数の和:30292

約数の個数: 32

約数和(自身を含む): 52289280

約数和(自身を除く): 31410570

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 30259, 60518, 90777, 151295, 181554, 302590, 453885, 695957, 907770, 1391914, 2087871, 3479785, 4175742, 6959570, 10439355, 20878710]

約数ペア:

[(1, 20878710), (2, 10439355), (3, 6959570), (5, 4175742), (6, 3479785), (10, 2087871), (15, 1391914), (23, 907770), (30, 695957), (46, 453885), (69, 302590), (115, 181554), (138, 151295), (230, 90777), (345, 60518), (690, 30259)]