20401641

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4253}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 32517576

約数和(自身を除く): 12115935

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4253, 4797, 12759, 38277, 55289, 165867, 174373, 497601, 523119, 1569357, 2266849, 6800547, 20401641]

約数ペア:

[(1, 20401641), (3, 6800547), (9, 2266849), (13, 1569357), (39, 523119), (41, 497601), (117, 174373), (123, 165867), (369, 55289), (533, 38277), (1599, 12759), (4253, 4797)]