20268950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31183}}^1$

素因数の和:31208

約数の個数: 24

約数和(自身を含む): 40601568

約数和(自身を除く): 20332618

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 31183, 62366, 155915, 311830, 405379, 779575, 810758, 1559150, 2026895, 4053790, 10134475, 20268950]

約数ペア:

[(1, 20268950), (2, 10134475), (5, 4053790), (10, 2026895), (13, 1559150), (25, 810758), (26, 779575), (50, 405379), (65, 311830), (130, 155915), (325, 62366), (650, 31183)]