2019936620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7768987}}^1$

素因数の和:7769009

約数の個数: 24

約数和(自身を含む): 4568164944

約数和(自身を除く): 2548228324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7768987, 15537974, 31075948, 38844935, 77689870, 100996831, 155379740, 201993662, 403987324, 504984155, 1009968310, 2019936620]

約数ペア:

[(1, 2019936620), (2, 1009968310), (4, 504984155), (5, 403987324), (10, 201993662), (13, 155379740), (20, 100996831), (26, 77689870), (52, 38844935), (65, 31075948), (130, 15537974), (260, 7768987)]