20138195

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2753}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 11587885

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 133, 209, 385, 665, 1045, 1463, 2753, 7315, 13765, 19271, 30283, 52307, 96355, 151415, 211981, 261535, 366149, 575377, 1059905, 1830745, 2876885, 4027639, 20138195]

約数ペア:

[(1, 20138195), (5, 4027639), (7, 2876885), (11, 1830745), (19, 1059905), (35, 575377), (55, 366149), (77, 261535), (95, 211981), (133, 151415), (209, 96355), (385, 52307), (665, 30283), (1045, 19271), (1463, 13765), (2753, 7315)]