20111170

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 38557296

約数和(自身を除く): 18446126

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 281, 421, 562, 842, 1405, 2105, 2810, 4210, 4777, 7157, 9554, 14314, 23885, 35785, 47770, 71570, 118301, 236602, 591505, 1183010, 2011117, 4022234, 10055585, 20111170]

約数ペア:

[(1, 20111170), (2, 10055585), (5, 4022234), (10, 2011117), (17, 1183010), (34, 591505), (85, 236602), (170, 118301), (281, 71570), (421, 47770), (562, 35785), (842, 23885), (1405, 14314), (2105, 9554), (2810, 7157), (4210, 4777)]