20407438

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2437}}^1$

素因数の和:2571

約数の個数: 16

約数和(自身を含む): 31596480

約数和(自身を除く): 11189042

約数列:

[1, 2, 53, 79, 106, 158, 2437, 4187, 4874, 8374, 129161, 192523, 258322, 385046, 10203719, 20407438]

約数ペア:

[(1, 20407438), (2, 10203719), (53, 385046), (79, 258322), (106, 192523), (158, 129161), (2437, 8374), (4187, 4874)]