20892886

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21019}}^1$

素因数の和:21099

約数の個数: 16

約数和(自身を含む): 36322560

約数和(自身を除く): 15429674

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 21019, 42038, 147133, 294266, 1492349, 2984698, 10446443, 20892886]

約数ペア:

[(1, 20892886), (2, 10446443), (7, 2984698), (14, 1492349), (71, 294266), (142, 147133), (497, 42038), (994, 21019)]