20813866918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1861}}^1\times {\mathrm{2887}}^1$

素因数の和:4912

約数の個数: 32

約数和(自身を含む): 33877972800

約数和(自身を除く): 13064105882

約数列:

[1, 2, 13, 26, 149, 298, 1861, 1937, 2887, 3722, 3874, 5774, 24193, 37531, 48386, 75062, 277289, 430163, 554578, 860326, 3604757, 5372707, 5592119, 7209514, 10745414, 11184238, 69845191, 139690382, 800533343, 1601066686, 10406933459, 20813866918]

約数ペア:

[(1, 20813866918), (2, 10406933459), (13, 1601066686), (26, 800533343), (149, 139690382), (298, 69845191), (1861, 11184238), (1937, 10745414), (2887, 7209514), (3722, 5592119), (3874, 5372707), (5774, 3604757), (24193, 860326), (37531, 554578), (48386, 430163), (75062, 277289)]