20005195

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 29376000

約数和(自身を除く): 9370805

約数列:

[1, 5, 7, 19, 35, 67, 95, 133, 335, 449, 469, 665, 1273, 2245, 2345, 3143, 6365, 8531, 8911, 15715, 30083, 42655, 44555, 59717, 150415, 210581, 298585, 571577, 1052905, 2857885, 4001039, 20005195]

約数ペア:

[(1, 20005195), (5, 4001039), (7, 2857885), (19, 1052905), (35, 571577), (67, 298585), (95, 210581), (133, 150415), (335, 59717), (449, 44555), (469, 42655), (665, 30083), (1273, 15715), (2245, 8911), (2345, 8531), (3143, 6365)]