20937992

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{19979}}^1$

素因数の和:20116

約数の個数: 16

約数和(自身を含む): 39560400

約数和(自身を除く): 18622408

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 19979, 39958, 79916, 159832, 2617249, 5234498, 10468996, 20937992]

約数ペア:

[(1, 20937992), (2, 10468996), (4, 5234498), (8, 2617249), (131, 159832), (262, 79916), (524, 39958), (1048, 19979)]