20753292

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2309}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 35130228

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2309, 2996, 4494, 4618, 6927, 8988, 9236, 13854, 16163, 27708, 32326, 48489, 64652, 96978, 193956, 247063, 494126, 741189, 988252, 1482378, 1729441, 2964756, 3458882, 5188323, 6917764, 10376646, 20753292]

約数ペア:

[(1, 20753292), (2, 10376646), (3, 6917764), (4, 5188323), (6, 3458882), (7, 2964756), (12, 1729441), (14, 1482378), (21, 988252), (28, 741189), (42, 494126), (84, 247063), (107, 193956), (214, 96978), (321, 64652), (428, 48489), (642, 32326), (749, 27708), (1284, 16163), (1498, 13854), (2247, 9236), (2309, 8988), (2996, 6927), (4494, 4618)]