20081592360

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{1997}}^1\times {\mathrm{9311}}^1$

素因数の和:11328

約数の個数: 128

約数和(自身を含む): 66979353600

約数和(自身を除く): 46897761240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 1997, 3994, 5991, 7988, 9311, 9985, 11982, 15976, 17973, 18622, 19970, 23964, 27933, 29955, 35946, 37244, 39940, 46555, 47928, 53919, 55866, 59910, 71892, 74488, 79880, 83799, 89865, 93110, 107838, 111732, 119820, 139665, 143784, 167598, 179730, 186220, 215676, 223464, 239640, 251397, 269595, 279330, 335196, 359460, 372440, 418995, 431352, 502794, 539190, 558660, 670392, 718920, 837990, 1005588, 1078380, 1117320, 1256985, 1675980, 2011176, 2156760, 2513970, 3351960, 5027940, 10055880, 18594067, 37188134, 55782201, 74376268, 92970335, 111564402, 148752536, 167346603, 185940670, 223128804, 278911005, 334693206, 371881340, 446257608, 502039809, 557822010, 669386412, 743762680, 836733015, 1004079618, 1115644020, 1338772824, 1673466030, 2008159236, 2231288040, 2510199045, 3346932060, 4016318472, 5020398090, 6693864120, 10040796180, 20081592360]

約数ペア:

[(1, 20081592360), (2, 10040796180), (3, 6693864120), (4, 5020398090), (5, 4016318472), (6, 3346932060), (8, 2510199045), (9, 2231288040), (10, 2008159236), (12, 1673466030), (15, 1338772824), (18, 1115644020), (20, 1004079618), (24, 836733015), (27, 743762680), (30, 669386412), (36, 557822010), (40, 502039809), (45, 446257608), (54, 371881340), (60, 334693206), (72, 278911005), (90, 223128804), (108, 185940670), (120, 167346603), (135, 148752536), (180, 111564402), (216, 92970335), (270, 74376268), (360, 55782201), (540, 37188134), (1080, 18594067), (1997, 10055880), (3994, 5027940), (5991, 3351960), (7988, 2513970), (9311, 2156760), (9985, 2011176), (11982, 1675980), (15976, 1256985), (17973, 1117320), (18622, 1078380), (19970, 1005588), (23964, 837990), (27933, 718920), (29955, 670392), (35946, 558660), (37244, 539190), (39940, 502794), (46555, 431352), (47928, 418995), (53919, 372440), (55866, 359460), (59910, 335196), (71892, 279330), (74488, 269595), (79880, 251397), (83799, 239640), (89865, 223464), (93110, 215676), (107838, 186220), (111732, 179730), (119820, 167598), (139665, 143784)]