20093980

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13763}}^1$

素因数の和:13845

約数の個数: 24

約数和(自身を含む): 42778512

約数和(自身を除く): 22684532

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 13763, 27526, 55052, 68815, 137630, 275260, 1004699, 2009398, 4018796, 5023495, 10046990, 20093980]

約数ペア:

[(1, 20093980), (2, 10046990), (4, 5023495), (5, 4018796), (10, 2009398), (20, 1004699), (73, 275260), (146, 137630), (292, 68815), (365, 55052), (730, 27526), (1460, 13763)]