20915060

素因数分解:

$2^2\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1933}}^1$

素因数の和:2483

約数の個数: 24

約数和(自身を含む): 44025576

約数和(自身を除く): 23110516

約数列:

[1, 2, 4, 5, 10, 20, 541, 1082, 1933, 2164, 2705, 3866, 5410, 7732, 9665, 10820, 19330, 38660, 1045753, 2091506, 4183012, 5228765, 10457530, 20915060]

約数ペア:

[(1, 20915060), (2, 10457530), (4, 5228765), (5, 4183012), (10, 2091506), (20, 1045753), (541, 38660), (1082, 19330), (1933, 10820), (2164, 9665), (2705, 7732), (3866, 5410)]