20630280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15629}}^1$

素因数の和:15654

約数の個数: 64

約数和(自身を含む): 67521600

約数和(自身を除く): 46891320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 15629, 31258, 46887, 62516, 78145, 93774, 125032, 156290, 171919, 187548, 234435, 312580, 343838, 375096, 468870, 515757, 625160, 687676, 859595, 937740, 1031514, 1375352, 1719190, 1875480, 2063028, 2578785, 3438380, 4126056, 5157570, 6876760, 10315140, 20630280]

約数ペア:

[(1, 20630280), (2, 10315140), (3, 6876760), (4, 5157570), (5, 4126056), (6, 3438380), (8, 2578785), (10, 2063028), (11, 1875480), (12, 1719190), (15, 1375352), (20, 1031514), (22, 937740), (24, 859595), (30, 687676), (33, 625160), (40, 515757), (44, 468870), (55, 375096), (60, 343838), (66, 312580), (88, 234435), (110, 187548), (120, 171919), (132, 156290), (165, 125032), (220, 93774), (264, 78145), (330, 62516), (440, 46887), (660, 31258), (1320, 15629)]