20726811960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{90007}}^1$

素因数の和:90141

約数の個数: 128

約数和(自身を含む): 66101875200

約数和(自身を除く): 45375063240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 101, 114, 120, 152, 190, 202, 228, 285, 303, 380, 404, 456, 505, 570, 606, 760, 808, 1010, 1140, 1212, 1515, 1919, 2020, 2280, 2424, 3030, 3838, 4040, 5757, 6060, 7676, 9595, 11514, 12120, 15352, 19190, 23028, 28785, 38380, 46056, 57570, 76760, 90007, 115140, 180014, 230280, 270021, 360028, 450035, 540042, 720056, 900070, 1080084, 1350105, 1710133, 1800140, 2160168, 2700210, 3420266, 3600280, 5130399, 5400420, 6840532, 8550665, 9090707, 10260798, 10800840, 13681064, 17101330, 18181414, 20521596, 25651995, 27272121, 34202660, 36362828, 41043192, 45453535, 51303990, 54544242, 68405320, 72725656, 90907070, 102607980, 109088484, 136360605, 172723433, 181814140, 205215960, 218176968, 272721210, 345446866, 363628280, 518170299, 545442420, 690893732, 863617165, 1036340598, 1090884840, 1381787464, 1727234330, 2072681196, 2590851495, 3454468660, 4145362392, 5181702990, 6908937320, 10363405980, 20726811960]

約数ペア:

[(1, 20726811960), (2, 10363405980), (3, 6908937320), (4, 5181702990), (5, 4145362392), (6, 3454468660), (8, 2590851495), (10, 2072681196), (12, 1727234330), (15, 1381787464), (19, 1090884840), (20, 1036340598), (24, 863617165), (30, 690893732), (38, 545442420), (40, 518170299), (57, 363628280), (60, 345446866), (76, 272721210), (95, 218176968), (101, 205215960), (114, 181814140), (120, 172723433), (152, 136360605), (190, 109088484), (202, 102607980), (228, 90907070), (285, 72725656), (303, 68405320), (380, 54544242), (404, 51303990), (456, 45453535), (505, 41043192), (570, 36362828), (606, 34202660), (760, 27272121), (808, 25651995), (1010, 20521596), (1140, 18181414), (1212, 17101330), (1515, 13681064), (1919, 10800840), (2020, 10260798), (2280, 9090707), (2424, 8550665), (3030, 6840532), (3838, 5400420), (4040, 5130399), (5757, 3600280), (6060, 3420266), (7676, 2700210), (9595, 2160168), (11514, 1800140), (12120, 1710133), (15352, 1350105), (19190, 1080084), (23028, 900070), (28785, 720056), (38380, 540042), (46056, 450035), (57570, 360028), (76760, 270021), (90007, 230280), (115140, 180014)]