20737320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:203

約数の個数: 128

約数和(自身を含む): 66096000

約数和(自身を除く): 45358680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 59, 60, 87, 101, 116, 118, 120, 145, 174, 177, 202, 232, 236, 290, 295, 303, 348, 354, 404, 435, 472, 505, 580, 590, 606, 696, 708, 808, 870, 885, 1010, 1160, 1180, 1212, 1416, 1515, 1711, 1740, 1770, 2020, 2360, 2424, 2929, 3030, 3422, 3480, 3540, 4040, 5133, 5858, 5959, 6060, 6844, 7080, 8555, 8787, 10266, 11716, 11918, 12120, 13688, 14645, 17110, 17574, 17877, 20532, 23432, 23836, 25665, 29290, 29795, 34220, 35148, 35754, 41064, 43935, 47672, 51330, 58580, 59590, 68440, 70296, 71508, 87870, 89385, 102660, 117160, 119180, 143016, 172811, 175740, 178770, 205320, 238360, 345622, 351480, 357540, 518433, 691244, 715080, 864055, 1036866, 1382488, 1728110, 2073732, 2592165, 3456220, 4147464, 5184330, 6912440, 10368660, 20737320]

約数ペア:

[(1, 20737320), (2, 10368660), (3, 6912440), (4, 5184330), (5, 4147464), (6, 3456220), (8, 2592165), (10, 2073732), (12, 1728110), (15, 1382488), (20, 1036866), (24, 864055), (29, 715080), (30, 691244), (40, 518433), (58, 357540), (59, 351480), (60, 345622), (87, 238360), (101, 205320), (116, 178770), (118, 175740), (120, 172811), (145, 143016), (174, 119180), (177, 117160), (202, 102660), (232, 89385), (236, 87870), (290, 71508), (295, 70296), (303, 68440), (348, 59590), (354, 58580), (404, 51330), (435, 47672), (472, 43935), (505, 41064), (580, 35754), (590, 35148), (606, 34220), (696, 29795), (708, 29290), (808, 25665), (870, 23836), (885, 23432), (1010, 20532), (1160, 17877), (1180, 17574), (1212, 17110), (1416, 14645), (1515, 13688), (1711, 12120), (1740, 11918), (1770, 11716), (2020, 10266), (2360, 8787), (2424, 8555), (2929, 7080), (3030, 6844), (3422, 6060), (3480, 5959), (3540, 5858), (4040, 5133)]