20890832

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9967}}^1$

素因数の和:10106

約数の個数: 20

約数和(自身を含む): 40789056

約数和(自身を除く): 19898224

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9967, 19934, 39868, 79736, 159472, 1305677, 2611354, 5222708, 10445416, 20890832]

約数ペア:

[(1, 20890832), (2, 10445416), (4, 5222708), (8, 2611354), (16, 1305677), (131, 159472), (262, 79736), (524, 39868), (1048, 19934), (2096, 9967)]