20912004

素因数分解:

$2^2\times 3^2\times {\mathrm{580889}}^1$

素因数の和:580899

約数の個数: 18

約数和(自身を含む): 52860990

約数和(自身を除く): 31948986

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 580889, 1161778, 1742667, 2323556, 3485334, 5228001, 6970668, 10456002, 20912004]

約数ペア:

[(1, 20912004), (2, 10456002), (3, 6970668), (4, 5228001), (6, 3485334), (9, 2323556), (12, 1742667), (18, 1161778), (36, 580889)]