20603635

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 24

約数和(自身を含む): 27537840

約数和(自身を除く): 6934205

約数列:

[1, 5, 13, 37, 65, 169, 185, 481, 659, 845, 2405, 3295, 6253, 8567, 24383, 31265, 42835, 111371, 121915, 316979, 556855, 1584895, 4120727, 20603635]

約数ペア:

[(1, 20603635), (5, 4120727), (13, 1584895), (37, 556855), (65, 316979), (169, 121915), (185, 111371), (481, 42835), (659, 31265), (845, 24383), (2405, 8567), (3295, 6253)]