20803386

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{43889}}^1$

素因数の和:43973

約数の個数: 16

約数和(自身を含む): 42134400

約数和(自身を除く): 21331014

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 43889, 87778, 131667, 263334, 3467231, 6934462, 10401693, 20803386]

約数ペア:

[(1, 20803386), (2, 10401693), (3, 6934462), (6, 3467231), (79, 263334), (158, 131667), (237, 87778), (474, 43889)]