20523556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7019}}^1$

素因数の和:7083

約数の個数: 24

約数和(自身を含む): 38918880

約数和(自身を除く): 18395324

約数列:

[1, 2, 4, 17, 34, 43, 68, 86, 172, 731, 1462, 2924, 7019, 14038, 28076, 119323, 238646, 301817, 477292, 603634, 1207268, 5130889, 10261778, 20523556]

約数ペア:

[(1, 20523556), (2, 10261778), (4, 5130889), (17, 1207268), (34, 603634), (43, 477292), (68, 301817), (86, 238646), (172, 119323), (731, 28076), (1462, 14038), (2924, 7019)]