20635566

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 49612800

約数和(自身を除く): 28977234

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 74, 98, 111, 147, 222, 259, 271, 294, 343, 518, 542, 686, 777, 813, 1029, 1554, 1626, 1813, 1897, 2058, 3626, 3794, 5439, 5691, 10027, 10878, 11382, 12691, 13279, 20054, 25382, 26558, 30081, 38073, 39837, 60162, 70189, 76146, 79674, 92953, 140378, 185906, 210567, 278859, 421134, 491323, 557718, 982646, 1473969, 2947938, 3439261, 6878522, 10317783, 20635566]

約数ペア:

[(1, 20635566), (2, 10317783), (3, 6878522), (6, 3439261), (7, 2947938), (14, 1473969), (21, 982646), (37, 557718), (42, 491323), (49, 421134), (74, 278859), (98, 210567), (111, 185906), (147, 140378), (222, 92953), (259, 79674), (271, 76146), (294, 70189), (343, 60162), (518, 39837), (542, 38073), (686, 30081), (777, 26558), (813, 25382), (1029, 20054), (1554, 13279), (1626, 12691), (1813, 11382), (1897, 10878), (2058, 10027), (3626, 5691), (3794, 5439)]