20809785598

素因数分解:

$2^1\times 7^2\times {\mathrm{631}}^1\times {\mathrm{336521}}^1$

素因数の和:337168

約数の個数: 24

約数和(自身を含む): 36368605584

約数和(自身を除く): 15558819986

約数列:

[1, 2, 7, 14, 49, 98, 631, 1262, 4417, 8834, 30919, 61838, 336521, 673042, 2355647, 4711294, 16489529, 32979058, 212344751, 424689502, 1486413257, 2972826514, 10404892799, 20809785598]

約数ペア:

[(1, 20809785598), (2, 10404892799), (7, 2972826514), (14, 1486413257), (49, 424689502), (98, 212344751), (631, 32979058), (1262, 16489529), (4417, 4711294), (8834, 2355647), (30919, 673042), (61838, 336521)]