20391164

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{173}}^1\times {\mathrm{373}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 36442560

約数和(自身を除く): 16051396

約数列:

[1, 2, 4, 79, 158, 173, 316, 346, 373, 692, 746, 1492, 13667, 27334, 29467, 54668, 58934, 64529, 117868, 129058, 258116, 5097791, 10195582, 20391164]

約数ペア:

[(1, 20391164), (2, 10195582), (4, 5097791), (79, 258116), (158, 129058), (173, 117868), (316, 64529), (346, 58934), (373, 54668), (692, 29467), (746, 27334), (1492, 13667)]