20879544

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3359}}^1$

素因数の和:3412

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 40406856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3359, 6216, 6718, 10077, 13436, 20154, 23513, 26872, 40308, 47026, 70539, 80616, 94052, 124283, 141078, 188104, 248566, 282156, 372849, 497132, 564312, 745698, 869981, 994264, 1491396, 1739962, 2609943, 2982792, 3479924, 5219886, 6959848, 10439772, 20879544]

約数ペア:

[(1, 20879544), (2, 10439772), (3, 6959848), (4, 5219886), (6, 3479924), (7, 2982792), (8, 2609943), (12, 1739962), (14, 1491396), (21, 994264), (24, 869981), (28, 745698), (37, 564312), (42, 497132), (56, 372849), (74, 282156), (84, 248566), (111, 188104), (148, 141078), (168, 124283), (222, 94052), (259, 80616), (296, 70539), (444, 47026), (518, 40308), (777, 26872), (888, 23513), (1036, 20154), (1554, 13436), (2072, 10077), (3108, 6718), (3359, 6216)]