20785716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{82483}}^1$

素因数の和:82500

約数の個数: 36

約数和(自身を含む): 60048352

約数和(自身を除く): 39262636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 82483, 164966, 247449, 329932, 494898, 577381, 742347, 989796, 1154762, 1484694, 1732143, 2309524, 2969388, 3464286, 5196429, 6928572, 10392858, 20785716]

約数ペア:

[(1, 20785716), (2, 10392858), (3, 6928572), (4, 5196429), (6, 3464286), (7, 2969388), (9, 2309524), (12, 1732143), (14, 1484694), (18, 1154762), (21, 989796), (28, 742347), (36, 577381), (42, 494898), (63, 329932), (84, 247449), (126, 164966), (252, 82483)]