20417031

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1861}}^1$

素因数の和:1943

約数の個数: 24

約数和(自身を含む): 31370976

約数和(自身を除く): 10953945

約数列:

[1, 3, 9, 23, 53, 69, 159, 207, 477, 1219, 1861, 3657, 5583, 10971, 16749, 42803, 98633, 128409, 295899, 385227, 887697, 2268559, 6805677, 20417031]

約数ペア:

[(1, 20417031), (3, 6805677), (9, 2268559), (23, 887697), (53, 385227), (69, 295899), (159, 128409), (207, 98633), (477, 42803), (1219, 16749), (1861, 10971), (3657, 5583)]