20522642

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{39619}}^1$

素因数の和:39665

約数の個数: 16

約数和(自身を含む): 36133440

約数和(自身を除く): 15610798

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 39619, 79238, 277333, 554666, 1465903, 2931806, 10261321, 20522642]

約数ペア:

[(1, 20522642), (2, 10261321), (7, 2931806), (14, 1465903), (37, 554666), (74, 277333), (259, 79238), (518, 39619)]