20582864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{21089}}^1$

素因数の和:21158

約数の個数: 20

約数和(自身を含む): 40534980

約数和(自身を除く): 19952116

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 21089, 42178, 84356, 168712, 337424, 1286429, 2572858, 5145716, 10291432, 20582864]

約数ペア:

[(1, 20582864), (2, 10291432), (4, 5145716), (8, 2572858), (16, 1286429), (61, 337424), (122, 168712), (244, 84356), (488, 42178), (976, 21089)]