20215043810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1553}}^1\times {\mathrm{100129}}^1$

素因数の和:101702

約数の個数: 32

約数和(自身を含む): 39211709040

約数和(自身を除く): 18996665230

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1553, 3106, 7765, 15530, 20189, 40378, 100129, 100945, 200258, 201890, 500645, 1001290, 1301677, 2603354, 6508385, 13016770, 155500337, 311000674, 777501685, 1555003370, 2021504381, 4043008762, 10107521905, 20215043810]

約数ペア:

[(1, 20215043810), (2, 10107521905), (5, 4043008762), (10, 2021504381), (13, 1555003370), (26, 777501685), (65, 311000674), (130, 155500337), (1553, 13016770), (3106, 6508385), (7765, 2603354), (15530, 1301677), (20189, 1001290), (40378, 500645), (100129, 201890), (100945, 200258)]