20173858680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{439}}^1\times {\mathrm{1307}}^1$

素因数の和:2053

約数の個数: 128

約数和(自身を含む): 60913036800

約数和(自身を除く): 40739178120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 293, 439, 586, 878, 879, 1172, 1307, 1317, 1465, 1756, 1758, 2195, 2344, 2614, 2634, 2930, 3512, 3516, 3921, 4390, 4395, 5228, 5268, 5860, 6535, 6585, 7032, 7842, 8780, 8790, 10456, 10536, 11720, 13070, 13170, 15684, 17560, 17580, 19605, 26140, 26340, 31368, 35160, 39210, 52280, 52680, 78420, 128627, 156840, 257254, 382951, 385881, 514508, 573773, 643135, 765902, 771762, 1029016, 1147546, 1148853, 1286270, 1531804, 1543524, 1721319, 1914755, 1929405, 2295092, 2297706, 2572540, 2868865, 3063608, 3087048, 3442638, 3829510, 3858810, 4590184, 4595412, 5145080, 5737730, 5744265, 6885276, 7659020, 7717620, 8606595, 9190824, 11475460, 11488530, 13770552, 15318040, 15435240, 17213190, 22950920, 22977060, 34426380, 45954120, 68852760, 168115489, 336230978, 504346467, 672461956, 840577445, 1008692934, 1344923912, 1681154890, 2017385868, 2521732335, 3362309780, 4034771736, 5043464670, 6724619560, 10086929340, 20173858680]

約数ペア:

[(1, 20173858680), (2, 10086929340), (3, 6724619560), (4, 5043464670), (5, 4034771736), (6, 3362309780), (8, 2521732335), (10, 2017385868), (12, 1681154890), (15, 1344923912), (20, 1008692934), (24, 840577445), (30, 672461956), (40, 504346467), (60, 336230978), (120, 168115489), (293, 68852760), (439, 45954120), (586, 34426380), (878, 22977060), (879, 22950920), (1172, 17213190), (1307, 15435240), (1317, 15318040), (1465, 13770552), (1756, 11488530), (1758, 11475460), (2195, 9190824), (2344, 8606595), (2614, 7717620), (2634, 7659020), (2930, 6885276), (3512, 5744265), (3516, 5737730), (3921, 5145080), (4390, 4595412), (4395, 4590184), (5228, 3858810), (5268, 3829510), (5860, 3442638), (6535, 3087048), (6585, 3063608), (7032, 2868865), (7842, 2572540), (8780, 2297706), (8790, 2295092), (10456, 1929405), (10536, 1914755), (11720, 1721319), (13070, 1543524), (13170, 1531804), (15684, 1286270), (17560, 1148853), (17580, 1147546), (19605, 1029016), (26140, 771762), (26340, 765902), (31368, 643135), (35160, 573773), (39210, 514508), (52280, 385881), (52680, 382951), (78420, 257254), (128627, 156840)]