20185740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1289}}^1$

素因数の和:1336

約数の個数: 96

約数和(自身を含む): 65016000

約数和(自身を除く): 44830260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1289, 1305, 1566, 1740, 2578, 2610, 3132, 3867, 3915, 5156, 5220, 6445, 7734, 7830, 11601, 12890, 15468, 15660, 19335, 23202, 25780, 34803, 37381, 38670, 46404, 58005, 69606, 74762, 77340, 112143, 116010, 139212, 149524, 174015, 186905, 224286, 232020, 336429, 348030, 373810, 448572, 560715, 672858, 696060, 747620, 1009287, 1121430, 1345716, 1682145, 2018574, 2242860, 3364290, 4037148, 5046435, 6728580, 10092870, 20185740]

約数ペア:

[(1, 20185740), (2, 10092870), (3, 6728580), (4, 5046435), (5, 4037148), (6, 3364290), (9, 2242860), (10, 2018574), (12, 1682145), (15, 1345716), (18, 1121430), (20, 1009287), (27, 747620), (29, 696060), (30, 672858), (36, 560715), (45, 448572), (54, 373810), (58, 348030), (60, 336429), (87, 232020), (90, 224286), (108, 186905), (116, 174015), (135, 149524), (145, 139212), (174, 116010), (180, 112143), (261, 77340), (270, 74762), (290, 69606), (348, 58005), (435, 46404), (522, 38670), (540, 37381), (580, 34803), (783, 25780), (870, 23202), (1044, 19335), (1289, 15660), (1305, 15468), (1566, 12890), (1740, 11601), (2578, 7830), (2610, 7734), (3132, 6445), (3867, 5220), (3915, 5156)]