20461770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32479}}^1$

素因数の和:32499

約数の個数: 48

約数和(自身を含む): 60802560

約数和(自身を除く): 40340790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32479, 64958, 97437, 162395, 194874, 227353, 292311, 324790, 454706, 487185, 584622, 682059, 974370, 1136765, 1364118, 1461555, 2046177, 2273530, 2923110, 3410295, 4092354, 6820590, 10230885, 20461770]

約数ペア:

[(1, 20461770), (2, 10230885), (3, 6820590), (5, 4092354), (6, 3410295), (7, 2923110), (9, 2273530), (10, 2046177), (14, 1461555), (15, 1364118), (18, 1136765), (21, 974370), (30, 682059), (35, 584622), (42, 487185), (45, 454706), (63, 324790), (70, 292311), (90, 227353), (105, 194874), (126, 162395), (210, 97437), (315, 64958), (630, 32479)]