20605090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17029}}^1$

素因数の和:17058

約数の個数: 24

約数和(自身を含む): 40769820

約数和(自身を除く): 20164730

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 17029, 34058, 85145, 170290, 187319, 374638, 936595, 1873190, 2060509, 4121018, 10302545, 20605090]

約数ペア:

[(1, 20605090), (2, 10302545), (5, 4121018), (10, 2060509), (11, 1873190), (22, 936595), (55, 374638), (110, 187319), (121, 170290), (242, 85145), (605, 34058), (1210, 17029)]