20178216

素因数分解:

$2^3\times 3^2\times {\mathrm{280253}}^1$

素因数の和:280265

約数の個数: 24

約数和(自身を含む): 54649530

約数和(自身を除く): 34471314

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 280253, 560506, 840759, 1121012, 1681518, 2242024, 2522277, 3363036, 5044554, 6726072, 10089108, 20178216]

約数ペア:

[(1, 20178216), (2, 10089108), (3, 6726072), (4, 5044554), (6, 3363036), (8, 2522277), (9, 2242024), (12, 1681518), (18, 1121012), (24, 840759), (36, 560506), (72, 280253)]