20112275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 27141120

約数和(自身を除く): 7028845

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1279, 3145, 6395, 15725, 21743, 31975, 47323, 108715, 236615, 543575, 804491, 1183075, 4022455, 20112275]

約数ペア:

[(1, 20112275), (5, 4022455), (17, 1183075), (25, 804491), (37, 543575), (85, 236615), (185, 108715), (425, 47323), (629, 31975), (925, 21743), (1279, 15725), (3145, 6395)]