20259041480

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2651707}}^1$

素因数の和:2651909

約数の個数: 32

約数和(自身を含む): 45821514240

約数和(自身を除く): 25562472760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 2651707, 5303414, 10606828, 13258535, 21213656, 26517070, 53034140, 106068280, 506476037, 1012952074, 2025904148, 2532380185, 4051808296, 5064760370, 10129520740, 20259041480]

約数ペア:

[(1, 20259041480), (2, 10129520740), (4, 5064760370), (5, 4051808296), (8, 2532380185), (10, 2025904148), (20, 1012952074), (40, 506476037), (191, 106068280), (382, 53034140), (764, 26517070), (955, 21213656), (1528, 13258535), (1910, 10606828), (3820, 5303414), (7640, 2651707)]