20245526

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 17675434

約数列:

[1, 2, 7, 14, 19, 38, 49, 83, 98, 131, 133, 166, 262, 266, 581, 917, 931, 1162, 1577, 1834, 1862, 2489, 3154, 4067, 4978, 6419, 8134, 10873, 11039, 12838, 17423, 21746, 22078, 34846, 76111, 77273, 121961, 152222, 154546, 206587, 243922, 413174, 532777, 1065554, 1446109, 2892218, 10122763, 20245526]

約数ペア:

[(1, 20245526), (2, 10122763), (7, 2892218), (14, 1446109), (19, 1065554), (38, 532777), (49, 413174), (83, 243922), (98, 206587), (131, 154546), (133, 152222), (166, 121961), (262, 77273), (266, 76111), (581, 34846), (917, 22078), (931, 21746), (1162, 17423), (1577, 12838), (1834, 11039), (1862, 10873), (2489, 8134), (3154, 6419), (4067, 4978)]