20804850

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{467}}^1$

素因数の和:502

約数の個数: 120

約数和(自身を含む): 63196848

約数和(自身を除く): 42391998

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 27, 30, 33, 45, 50, 54, 55, 66, 75, 81, 90, 99, 110, 135, 150, 162, 165, 198, 225, 270, 275, 297, 330, 405, 450, 467, 495, 550, 594, 675, 810, 825, 891, 934, 990, 1350, 1401, 1485, 1650, 1782, 2025, 2335, 2475, 2802, 2970, 4050, 4203, 4455, 4670, 4950, 5137, 7005, 7425, 8406, 8910, 10274, 11675, 12609, 14010, 14850, 15411, 21015, 22275, 23350, 25218, 25685, 30822, 35025, 37827, 42030, 44550, 46233, 51370, 63045, 70050, 75654, 77055, 92466, 105075, 126090, 128425, 138699, 154110, 189135, 210150, 231165, 256850, 277398, 315225, 378270, 385275, 416097, 462330, 630450, 693495, 770550, 832194, 945675, 1155825, 1386990, 1891350, 2080485, 2311650, 3467475, 4160970, 6934950, 10402425, 20804850]

約数ペア:

[(1, 20804850), (2, 10402425), (3, 6934950), (5, 4160970), (6, 3467475), (9, 2311650), (10, 2080485), (11, 1891350), (15, 1386990), (18, 1155825), (22, 945675), (25, 832194), (27, 770550), (30, 693495), (33, 630450), (45, 462330), (50, 416097), (54, 385275), (55, 378270), (66, 315225), (75, 277398), (81, 256850), (90, 231165), (99, 210150), (110, 189135), (135, 154110), (150, 138699), (162, 128425), (165, 126090), (198, 105075), (225, 92466), (270, 77055), (275, 75654), (297, 70050), (330, 63045), (405, 51370), (450, 46233), (467, 44550), (495, 42030), (550, 37827), (594, 35025), (675, 30822), (810, 25685), (825, 25218), (891, 23350), (934, 22275), (990, 21015), (1350, 15411), (1401, 14850), (1485, 14010), (1650, 12609), (1782, 11675), (2025, 10274), (2335, 8910), (2475, 8406), (2802, 7425), (2970, 7005), (4050, 5137), (4203, 4950), (4455, 4670)]