20164172

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{6373}}^1$

素因数の和:6497

約数の個数: 24

約数和(自身を含む): 40691616

約数和(自身を除く): 20527444

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 6373, 12746, 25492, 44611, 89222, 178444, 720149, 1440298, 2880596, 5041043, 10082086, 20164172]

約数ペア:

[(1, 20164172), (2, 10082086), (4, 5041043), (7, 2880596), (14, 1440298), (28, 720149), (113, 178444), (226, 89222), (452, 44611), (791, 25492), (1582, 12746), (3164, 6373)]