20966150

素因数分解:

$2^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{3847}}^1$

素因数の和:3968

約数の個数: 24

約数和(自身を含む): 39365040

約数和(自身を除く): 18398890

約数列:

[1, 2, 5, 10, 25, 50, 109, 218, 545, 1090, 2725, 3847, 5450, 7694, 19235, 38470, 96175, 192350, 419323, 838646, 2096615, 4193230, 10483075, 20966150]

約数ペア:

[(1, 20966150), (2, 10483075), (5, 4193230), (10, 2096615), (25, 838646), (50, 419323), (109, 192350), (218, 96175), (545, 38470), (1090, 19235), (2725, 7694), (3847, 5450)]