20790115

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1182

約数の個数: 16

約数和(自身を含む): 25882560

約数和(自身を除く): 5092445

約数列:

[1, 5, 37, 109, 185, 545, 1031, 4033, 5155, 20165, 38147, 112379, 190735, 561895, 4158023, 20790115]

約数ペア:

[(1, 20790115), (5, 4158023), (37, 561895), (109, 190735), (185, 112379), (545, 38147), (1031, 20165), (4033, 5155)]