20348726620

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2428249}}^1$

素因数の和:2428677

約数の個数: 24

約数和(自身を含む): 42834330000

約数和(自身を除く): 22485603380

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 8380, 2428249, 4856498, 9712996, 12141245, 24282490, 48564980, 1017436331, 2034872662, 4069745324, 5087181655, 10174363310, 20348726620]

約数ペア:

[(1, 20348726620), (2, 10174363310), (4, 5087181655), (5, 4069745324), (10, 2034872662), (20, 1017436331), (419, 48564980), (838, 24282490), (1676, 12141245), (2095, 9712996), (4190, 4856498), (8380, 2428249)]