2020186217

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1\times {\mathrm{9431}}^1$

素因数の和:9940

約数の個数: 16

約数和(自身を含む): 2346983424

約数和(自身を除く): 326797207

約数列:

[1, 7, 71, 431, 497, 3017, 9431, 30601, 66017, 214207, 669601, 4064761, 4687207, 28453327, 288598031, 2020186217]

約数ペア:

[(1, 2020186217), (7, 288598031), (71, 28453327), (431, 4687207), (497, 4064761), (3017, 669601), (9431, 214207), (30601, 66017)]