20171384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2089}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20458216

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2089, 2414, 4178, 4828, 8356, 9656, 16712, 35513, 71026, 142052, 148319, 284104, 296638, 593276, 1186552, 2521423, 5042846, 10085692, 20171384]

約数ペア:

[(1, 20171384), (2, 10085692), (4, 5042846), (8, 2521423), (17, 1186552), (34, 593276), (68, 296638), (71, 284104), (136, 148319), (142, 142052), (284, 71026), (568, 35513), (1207, 16712), (2089, 9656), (2414, 8356), (4178, 4828)]