20404624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{75017}}^1$

素因数の和:75042

約数の個数: 20

約数和(自身を含む): 41860044

約数和(自身を除く): 21455420

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 75017, 150034, 300068, 600136, 1200272, 1275289, 2550578, 5101156, 10202312, 20404624]

約数ペア:

[(1, 20404624), (2, 10202312), (4, 5101156), (8, 2550578), (16, 1275289), (17, 1200272), (34, 600136), (68, 300068), (136, 150034), (272, 75017)]