20381635

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 24

約数和(自身を含む): 26213616

約数和(自身を除く): 5831981

約数列:

[1, 5, 29, 37, 131, 145, 185, 655, 841, 1073, 3799, 4205, 4847, 5365, 18995, 24235, 31117, 110171, 140563, 155585, 550855, 702815, 4076327, 20381635]

約数ペア:

[(1, 20381635), (5, 4076327), (29, 702815), (37, 550855), (131, 155585), (145, 140563), (185, 110171), (655, 31117), (841, 24235), (1073, 18995), (3799, 5365), (4205, 4847)]