20488310

素因数分解:

$2^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{3109}}^1$

素因数の和:3775

約数の個数: 16

約数和(自身を含む): 36946800

約数和(自身を除く): 16458490

約数列:

[1, 2, 5, 10, 659, 1318, 3109, 3295, 6218, 6590, 15545, 31090, 2048831, 4097662, 10244155, 20488310]

約数ペア:

[(1, 20488310), (2, 10244155), (5, 4097662), (10, 2048831), (659, 31090), (1318, 15545), (3109, 6590), (3295, 6218)]