20817734

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11351}}^1$

素因数の和:11491

約数の個数: 16

約数和(自身を含む): 35963136

約数和(自身を除く): 15145402

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11351, 22702, 79457, 158914, 1486981, 2973962, 10408867, 20817734]

約数ペア:

[(1, 20817734), (2, 10408867), (7, 2973962), (14, 1486981), (131, 158914), (262, 79457), (917, 22702), (1834, 11351)]