16872920

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3079}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 38253600

約数和(自身を除く): 21380680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3079, 5480, 6158, 12316, 15395, 24632, 30790, 61580, 123160, 421823, 843646, 1687292, 2109115, 3374584, 4218230, 8436460, 16872920]

約数ペア:

[(1, 16872920), (2, 8436460), (4, 4218230), (5, 3374584), (8, 2109115), (10, 1687292), (20, 843646), (40, 421823), (137, 123160), (274, 61580), (548, 30790), (685, 24632), (1096, 15395), (1370, 12316), (2740, 6158), (3079, 5480)]