22778420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{162703}}^1$

素因数の和:162719

約数の個数: 24

約数和(自身を含む): 54668544

約数和(自身を除く): 31890124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 162703, 325406, 650812, 813515, 1138921, 1627030, 2277842, 3254060, 4555684, 5694605, 11389210, 22778420]

約数ペア:

[(1, 22778420), (2, 11389210), (4, 5694605), (5, 4555684), (7, 3254060), (10, 2277842), (14, 1627030), (20, 1138921), (28, 813515), (35, 650812), (70, 325406), (140, 162703)]