20100885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11261}}^1$

素因数の和:11293

約数の個数: 32

約数和(自身を含む): 38921472

約数和(自身を除く): 18820587

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 11261, 33783, 56305, 78827, 168915, 191437, 236481, 394135, 574311, 957185, 1182405, 1340059, 2871555, 4020177, 6700295, 20100885]

約数ペア:

[(1, 20100885), (3, 6700295), (5, 4020177), (7, 2871555), (15, 1340059), (17, 1182405), (21, 957185), (35, 574311), (51, 394135), (85, 236481), (105, 191437), (119, 168915), (255, 78827), (357, 56305), (595, 33783), (1785, 11261)]