20679633

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 35105616

約数和(自身を除く): 14425983

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 281, 333, 481, 629, 663, 843, 1443, 1887, 1989, 2529, 3653, 4329, 4777, 5661, 8177, 10397, 10959, 14331, 24531, 31191, 32877, 42993, 62101, 73593, 93573, 135161, 176749, 186303, 405483, 530247, 558909, 1216449, 1590741, 2297737, 6893211, 20679633]

約数ペア:

[(1, 20679633), (3, 6893211), (9, 2297737), (13, 1590741), (17, 1216449), (37, 558909), (39, 530247), (51, 405483), (111, 186303), (117, 176749), (153, 135161), (221, 93573), (281, 73593), (333, 62101), (481, 42993), (629, 32877), (663, 31191), (843, 24531), (1443, 14331), (1887, 10959), (1989, 10397), (2529, 8177), (3653, 5661), (4329, 4777)]