20254565

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:277

約数の個数: 24

約数和(自身を含む): 26259552

約数和(自身を除く): 6004987

約数列:

[1, 5, 17, 85, 107, 131, 289, 535, 655, 1445, 1819, 2227, 9095, 11135, 14017, 30923, 37859, 70085, 154615, 189295, 238289, 1191445, 4050913, 20254565]

約数ペア:

[(1, 20254565), (5, 4050913), (17, 1191445), (85, 238289), (107, 189295), (131, 154615), (289, 70085), (535, 37859), (655, 30923), (1445, 14017), (1819, 11135), (2227, 9095)]