20188954821

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{877}}^1$

素因数の和:1198

約数の個数: 64

約数和(自身を含む): 31709145600

約数和(自身を除く): 11520190779

約数列:

[1, 3, 7, 21, 89, 109, 113, 267, 327, 339, 623, 763, 791, 877, 1869, 2289, 2373, 2631, 6139, 9701, 10057, 12317, 18417, 29103, 30171, 36951, 67907, 70399, 78053, 86219, 95593, 99101, 203721, 211197, 234159, 258657, 286779, 297303, 546371, 669151, 693707, 1096213, 1639113, 2007453, 2081121, 3288639, 7673491, 8507777, 8819989, 10802009, 23020473, 25523331, 26459967, 32406027, 59554439, 61739923, 75614063, 178663317, 185219769, 226842189, 961378801, 2884136403, 6729651607, 20188954821]

約数ペア:

[(1, 20188954821), (3, 6729651607), (7, 2884136403), (21, 961378801), (89, 226842189), (109, 185219769), (113, 178663317), (267, 75614063), (327, 61739923), (339, 59554439), (623, 32406027), (763, 26459967), (791, 25523331), (877, 23020473), (1869, 10802009), (2289, 8819989), (2373, 8507777), (2631, 7673491), (6139, 3288639), (9701, 2081121), (10057, 2007453), (12317, 1639113), (18417, 1096213), (29103, 693707), (30171, 669151), (36951, 546371), (67907, 297303), (70399, 286779), (78053, 258657), (86219, 234159), (95593, 211197), (99101, 203721)]