16198220

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1229}}^1$

素因数の和:1897

約数の個数: 24

約数和(自身を含む): 34095600

約数和(自身を除く): 17897380

約数列:

[1, 2, 4, 5, 10, 20, 659, 1229, 1318, 2458, 2636, 3295, 4916, 6145, 6590, 12290, 13180, 24580, 809911, 1619822, 3239644, 4049555, 8099110, 16198220]

約数ペア:

[(1, 16198220), (2, 8099110), (4, 4049555), (5, 3239644), (10, 1619822), (20, 809911), (659, 24580), (1229, 13180), (1318, 12290), (2458, 6590), (2636, 6145), (3295, 4916)]