20527164

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81457}}^1$

素因数の和:81474

約数の個数: 36

約数和(自身を含む): 59301424

約数和(自身を除く): 38774260

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81457, 162914, 244371, 325828, 488742, 570199, 733113, 977484, 1140398, 1466226, 1710597, 2280796, 2932452, 3421194, 5131791, 6842388, 10263582, 20527164]

約数ペア:

[(1, 20527164), (2, 10263582), (3, 6842388), (4, 5131791), (6, 3421194), (7, 2932452), (9, 2280796), (12, 1710597), (14, 1466226), (18, 1140398), (21, 977484), (28, 733113), (36, 570199), (42, 488742), (63, 325828), (84, 244371), (126, 162914), (252, 81457)]