20814652

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2659}}^1$

素因数の和:2785

約数の個数: 24

約数和(自身を含む): 38729600

約数和(自身を除く): 17914948

約数列:

[1, 2, 4, 19, 38, 76, 103, 206, 412, 1957, 2659, 3914, 5318, 7828, 10636, 50521, 101042, 202084, 273877, 547754, 1095508, 5203663, 10407326, 20814652]

約数ペア:

[(1, 20814652), (2, 10407326), (4, 5203663), (19, 1095508), (38, 547754), (76, 273877), (103, 202084), (206, 101042), (412, 50521), (1957, 10636), (2659, 7828), (3914, 5318)]