20209055

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{541}}^1$

素因数の和:818

約数の個数: 16

約数和(自身を含む): 25183488

約数和(自身を除く): 4974433

約数列:

[1, 5, 31, 155, 241, 541, 1205, 2705, 7471, 16771, 37355, 83855, 130381, 651905, 4041811, 20209055]

約数ペア:

[(1, 20209055), (5, 4041811), (31, 651905), (155, 130381), (241, 83855), (541, 37355), (1205, 16771), (2705, 7471)]