20139050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1$

素因数の和:120

約数の個数: 96

約数和(自身を含む): 44193600

約数和(自身を除く): 24054550

約数列:

[1, 2, 5, 10, 17, 19, 25, 29, 34, 38, 43, 50, 58, 85, 86, 95, 145, 170, 190, 215, 290, 323, 425, 430, 475, 493, 551, 646, 725, 731, 817, 850, 950, 986, 1075, 1102, 1247, 1450, 1462, 1615, 1634, 2150, 2465, 2494, 2755, 3230, 3655, 4085, 4930, 5510, 6235, 7310, 8075, 8170, 9367, 12325, 12470, 13775, 13889, 16150, 18275, 18734, 20425, 21199, 23693, 24650, 27550, 27778, 31175, 36550, 40850, 42398, 46835, 47386, 62350, 69445, 93670, 105995, 118465, 138890, 211990, 234175, 236930, 347225, 402781, 468350, 529975, 592325, 694450, 805562, 1059950, 1184650, 2013905, 4027810, 10069525, 20139050]

約数ペア:

[(1, 20139050), (2, 10069525), (5, 4027810), (10, 2013905), (17, 1184650), (19, 1059950), (25, 805562), (29, 694450), (34, 592325), (38, 529975), (43, 468350), (50, 402781), (58, 347225), (85, 236930), (86, 234175), (95, 211990), (145, 138890), (170, 118465), (190, 105995), (215, 93670), (290, 69445), (323, 62350), (425, 47386), (430, 46835), (475, 42398), (493, 40850), (551, 36550), (646, 31175), (725, 27778), (731, 27550), (817, 24650), (850, 23693), (950, 21199), (986, 20425), (1075, 18734), (1102, 18275), (1247, 16150), (1450, 13889), (1462, 13775), (1615, 12470), (1634, 12325), (2150, 9367), (2465, 8170), (2494, 8075), (2755, 7310), (3230, 6235), (3655, 5510), (4085, 4930)]