20475550

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8713}}^1$

素因数の和:8772

約数の個数: 24

約数和(自身を含む): 38899296

約数和(自身を除く): 18423746

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8713, 17426, 43565, 87130, 217825, 409511, 435650, 819022, 2047555, 4095110, 10237775, 20475550]

約数ペア:

[(1, 20475550), (2, 10237775), (5, 4095110), (10, 2047555), (25, 819022), (47, 435650), (50, 409511), (94, 217825), (235, 87130), (470, 43565), (1175, 17426), (2350, 8713)]