20774997

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 30814784

約数和(自身を除く): 10039787

約数列:

[1, 3, 9, 73, 103, 219, 307, 309, 657, 921, 927, 2763, 7519, 22411, 22557, 31621, 67233, 67671, 94863, 201699, 284589, 2308333, 6924999, 20774997]

約数ペア:

[(1, 20774997), (3, 6924999), (9, 2308333), (73, 284589), (103, 201699), (219, 94863), (307, 67671), (309, 67233), (657, 31621), (921, 22557), (927, 22411), (2763, 7519)]