20453157

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{317}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 30360096

約数和(自身を除く): 9906939

約数列:

[1, 3, 9, 67, 107, 201, 317, 321, 603, 951, 963, 2853, 7169, 21239, 21507, 33919, 63717, 64521, 101757, 191151, 305271, 2272573, 6817719, 20453157]

約数ペア:

[(1, 20453157), (3, 6817719), (9, 2272573), (67, 305271), (107, 191151), (201, 101757), (317, 64521), (321, 63717), (603, 33919), (951, 21507), (963, 21239), (2853, 7169)]