20372220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10289}}^1$

素因数の和:10315

約数の個数: 72

約数和(自身を含む): 67420080

約数和(自身を除く): 47047860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10289, 20578, 30867, 41156, 51445, 61734, 92601, 102890, 113179, 123468, 154335, 185202, 205780, 226358, 308670, 339537, 370404, 452716, 463005, 565895, 617340, 679074, 926010, 1018611, 1131790, 1358148, 1697685, 1852020, 2037222, 2263580, 3395370, 4074444, 5093055, 6790740, 10186110, 20372220]

約数ペア:

[(1, 20372220), (2, 10186110), (3, 6790740), (4, 5093055), (5, 4074444), (6, 3395370), (9, 2263580), (10, 2037222), (11, 1852020), (12, 1697685), (15, 1358148), (18, 1131790), (20, 1018611), (22, 926010), (30, 679074), (33, 617340), (36, 565895), (44, 463005), (45, 452716), (55, 370404), (60, 339537), (66, 308670), (90, 226358), (99, 205780), (110, 185202), (132, 154335), (165, 123468), (180, 113179), (198, 102890), (220, 92601), (330, 61734), (396, 51445), (495, 41156), (660, 30867), (990, 20578), (1980, 10289)]