20809022

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 35035392

約数和(自身を除く): 14226370

約数列:

[1, 2, 13, 26, 37, 74, 97, 194, 223, 446, 481, 962, 1261, 2522, 2899, 3589, 5798, 7178, 8251, 16502, 21631, 43262, 46657, 93314, 107263, 214526, 281203, 562406, 800347, 1600694, 10404511, 20809022]

約数ペア:

[(1, 20809022), (2, 10404511), (13, 1600694), (26, 800347), (37, 562406), (74, 281203), (97, 214526), (194, 107263), (223, 93314), (446, 46657), (481, 43262), (962, 21631), (1261, 16502), (2522, 8251), (2899, 7178), (3589, 5798)]