20477535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5527}}^1$

素因数の和:5567

約数の個数: 32

約数和(自身を含む): 37148160

約数和(自身を除く): 16670625

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 3705, 5527, 16581, 27635, 71851, 82905, 105013, 215553, 315039, 359255, 525065, 1077765, 1365169, 1575195, 4095507, 6825845, 20477535]

約数ペア:

[(1, 20477535), (3, 6825845), (5, 4095507), (13, 1575195), (15, 1365169), (19, 1077765), (39, 525065), (57, 359255), (65, 315039), (95, 215553), (195, 105013), (247, 82905), (285, 71851), (741, 27635), (1235, 16581), (3705, 5527)]