20267485

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1481}}^1$

素因数の和:1533

約数の個数: 32

約数和(自身を含む): 30730752

約数和(自身を除く): 10463267

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1481, 1955, 2737, 7405, 10367, 13685, 25177, 34063, 51835, 125885, 170315, 176239, 238441, 579071, 881195, 1192205, 2895355, 4053497, 20267485]

約数ペア:

[(1, 20267485), (5, 4053497), (7, 2895355), (17, 1192205), (23, 881195), (35, 579071), (85, 238441), (115, 176239), (119, 170315), (161, 125885), (391, 51835), (595, 34063), (805, 25177), (1481, 13685), (1955, 10367), (2737, 7405)]