20731678

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8807}}^1$

素因数の和:8927

約数の個数: 16

約数和(自身を含む): 34245504

約数和(自身を除く): 13513826

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8807, 17614, 96877, 193754, 942349, 1884698, 10365839, 20731678]

約数ペア:

[(1, 20731678), (2, 10365839), (11, 1884698), (22, 942349), (107, 193754), (214, 96877), (1177, 17614), (2354, 8807)]