20913410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1789}}^1$

素因数の和:1970

約数の個数: 32

約数和(自身を含む): 43303680

約数和(自身を除く): 22390270

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 167, 334, 835, 1169, 1670, 1789, 2338, 3578, 5845, 8945, 11690, 12523, 17890, 25046, 62615, 125230, 298763, 597526, 1493815, 2091341, 2987630, 4182682, 10456705, 20913410]

約数ペア:

[(1, 20913410), (2, 10456705), (5, 4182682), (7, 2987630), (10, 2091341), (14, 1493815), (35, 597526), (70, 298763), (167, 125230), (334, 62615), (835, 25046), (1169, 17890), (1670, 12523), (1789, 11690), (2338, 8945), (3578, 5845)]