20199552779

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{591443}}^1$

素因数の和:591515

約数の個数: 24

約数和(自身を含む): 25486504848

約数和(自身を除く): 5286952069

約数列:

[1, 7, 17, 41, 49, 119, 287, 697, 833, 2009, 4879, 34153, 591443, 4140101, 10054531, 24249163, 28980707, 70381717, 169744141, 412235771, 492672019, 1188208987, 2885650397, 20199552779]

約数ペア:

[(1, 20199552779), (7, 2885650397), (17, 1188208987), (41, 492672019), (49, 412235771), (119, 169744141), (287, 70381717), (697, 28980707), (833, 24249163), (2009, 10054531), (4879, 4140101), (34153, 591443)]