16894840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{3083}}^1$

素因数の和:3231

約数の個数: 32

約数和(自身を含む): 38303280

約数和(自身を除く): 21408440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 3083, 5480, 6166, 12332, 15415, 24664, 30830, 61660, 123320, 422371, 844742, 1689484, 2111855, 3378968, 4223710, 8447420, 16894840]

約数ペア:

[(1, 16894840), (2, 8447420), (4, 4223710), (5, 3378968), (8, 2111855), (10, 1689484), (20, 844742), (40, 422371), (137, 123320), (274, 61660), (548, 30830), (685, 24664), (1096, 15415), (1370, 12332), (2740, 6166), (3083, 5480)]