20079900

素因数分解:

$2^2\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:130

約数の個数: 180

約数和(自身を含む): 67848088

約数和(自身を除く): 47768188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 67, 74, 75, 81, 90, 100, 108, 111, 134, 135, 148, 150, 162, 180, 185, 201, 222, 225, 268, 270, 300, 324, 333, 335, 370, 402, 405, 444, 450, 540, 555, 603, 666, 670, 675, 740, 804, 810, 900, 925, 999, 1005, 1110, 1206, 1332, 1340, 1350, 1620, 1665, 1675, 1809, 1850, 1998, 2010, 2025, 2220, 2412, 2479, 2700, 2775, 2997, 3015, 3330, 3350, 3618, 3700, 3996, 4020, 4050, 4958, 4995, 5025, 5427, 5550, 5994, 6030, 6660, 6700, 7236, 7437, 8100, 8325, 9045, 9916, 9990, 10050, 10854, 11100, 11988, 12060, 12395, 14874, 14985, 15075, 16650, 18090, 19980, 20100, 21708, 22311, 24790, 24975, 27135, 29748, 29970, 30150, 33300, 36180, 37185, 44622, 45225, 49580, 49950, 54270, 59940, 60300, 61975, 66933, 74370, 74925, 89244, 90450, 99900, 108540, 111555, 123950, 133866, 135675, 148740, 149850, 180900, 185925, 200799, 223110, 247900, 267732, 271350, 299700, 334665, 371850, 401598, 446220, 542700, 557775, 669330, 743700, 803196, 1003995, 1115550, 1338660, 1673325, 2007990, 2231100, 3346650, 4015980, 5019975, 6693300, 10039950, 20079900]

約数ペア:

[(1, 20079900), (2, 10039950), (3, 6693300), (4, 5019975), (5, 4015980), (6, 3346650), (9, 2231100), (10, 2007990), (12, 1673325), (15, 1338660), (18, 1115550), (20, 1003995), (25, 803196), (27, 743700), (30, 669330), (36, 557775), (37, 542700), (45, 446220), (50, 401598), (54, 371850), (60, 334665), (67, 299700), (74, 271350), (75, 267732), (81, 247900), (90, 223110), (100, 200799), (108, 185925), (111, 180900), (134, 149850), (135, 148740), (148, 135675), (150, 133866), (162, 123950), (180, 111555), (185, 108540), (201, 99900), (222, 90450), (225, 89244), (268, 74925), (270, 74370), (300, 66933), (324, 61975), (333, 60300), (335, 59940), (370, 54270), (402, 49950), (405, 49580), (444, 45225), (450, 44622), (540, 37185), (555, 36180), (603, 33300), (666, 30150), (670, 29970), (675, 29748), (740, 27135), (804, 24975), (810, 24790), (900, 22311), (925, 21708), (999, 20100), (1005, 19980), (1110, 18090), (1206, 16650), (1332, 15075), (1340, 14985), (1350, 14874), (1620, 12395), (1665, 12060), (1675, 11988), (1809, 11100), (1850, 10854), (1998, 10050), (2010, 9990), (2025, 9916), (2220, 9045), (2412, 8325), (2479, 8100), (2700, 7437), (2775, 7236), (2997, 6700), (3015, 6660), (3330, 6030), (3350, 5994), (3618, 5550), (3700, 5427), (3996, 5025), (4020, 4995), (4050, 4958)]