20703408

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{347}}^1$

素因数の和:482

約数の個数: 80

約数和(自身を含む): 59031936

約数和(自身を除く): 38328528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 113, 132, 176, 226, 264, 339, 347, 452, 528, 678, 694, 904, 1041, 1243, 1356, 1388, 1808, 2082, 2486, 2712, 2776, 3729, 3817, 4164, 4972, 5424, 5552, 7458, 7634, 8328, 9944, 11451, 14916, 15268, 16656, 19888, 22902, 29832, 30536, 39211, 45804, 59664, 61072, 78422, 91608, 117633, 156844, 183216, 235266, 313688, 431321, 470532, 627376, 862642, 941064, 1293963, 1725284, 1882128, 2587926, 3450568, 5175852, 6901136, 10351704, 20703408]

約数ペア:

[(1, 20703408), (2, 10351704), (3, 6901136), (4, 5175852), (6, 3450568), (8, 2587926), (11, 1882128), (12, 1725284), (16, 1293963), (22, 941064), (24, 862642), (33, 627376), (44, 470532), (48, 431321), (66, 313688), (88, 235266), (113, 183216), (132, 156844), (176, 117633), (226, 91608), (264, 78422), (339, 61072), (347, 59664), (452, 45804), (528, 39211), (678, 30536), (694, 29832), (904, 22902), (1041, 19888), (1243, 16656), (1356, 15268), (1388, 14916), (1808, 11451), (2082, 9944), (2486, 8328), (2712, 7634), (2776, 7458), (3729, 5552), (3817, 5424), (4164, 4972)]