20956890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5099}}^1$

素因数の和:5246

約数の個数: 32

約数和(自身を含む): 50673600

約数和(自身を除く): 29716710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 5099, 10198, 15297, 25495, 30594, 50990, 76485, 152970, 698563, 1397126, 2095689, 3492815, 4191378, 6985630, 10478445, 20956890]

約数ペア:

[(1, 20956890), (2, 10478445), (3, 6985630), (5, 4191378), (6, 3492815), (10, 2095689), (15, 1397126), (30, 698563), (137, 152970), (274, 76485), (411, 50990), (685, 30594), (822, 25495), (1370, 15297), (2055, 10198), (4110, 5099)]