16566920

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{1229}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 37416600

約数和(自身を除く): 20849680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1229, 1348, 1685, 2458, 2696, 3370, 4916, 6145, 6740, 9832, 12290, 13480, 24580, 49160, 414173, 828346, 1656692, 2070865, 3313384, 4141730, 8283460, 16566920]

約数ペア:

[(1, 16566920), (2, 8283460), (4, 4141730), (5, 3313384), (8, 2070865), (10, 1656692), (20, 828346), (40, 414173), (337, 49160), (674, 24580), (1229, 13480), (1348, 12290), (1685, 9832), (2458, 6740), (2696, 6145), (3370, 4916)]