20074535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 28268352

約数和(自身を除く): 8193817

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 491, 629, 1105, 2405, 2455, 3145, 6383, 8177, 8347, 18167, 31915, 40885, 41735, 90835, 108511, 236171, 308839, 542555, 1180855, 1544195, 4014907, 20074535]

約数ペア:

[(1, 20074535), (5, 4014907), (13, 1544195), (17, 1180855), (37, 542555), (65, 308839), (85, 236171), (185, 108511), (221, 90835), (481, 41735), (491, 40885), (629, 31915), (1105, 18167), (2405, 8347), (2455, 8177), (3145, 6383)]