20009970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2003}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 54829440

約数和(自身を除く): 34819470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 2003, 3330, 4006, 4995, 6009, 9990, 10015, 12018, 18027, 20030, 30045, 36054, 54081, 60090, 74111, 90135, 108162, 148222, 180270, 222333, 270405, 370555, 444666, 540810, 666999, 741110, 1111665, 1333998, 2000997, 2223330, 3334995, 4001994, 6669990, 10004985, 20009970]

約数ペア:

[(1, 20009970), (2, 10004985), (3, 6669990), (5, 4001994), (6, 3334995), (9, 2223330), (10, 2000997), (15, 1333998), (18, 1111665), (27, 741110), (30, 666999), (37, 540810), (45, 444666), (54, 370555), (74, 270405), (90, 222333), (111, 180270), (135, 148222), (185, 108162), (222, 90135), (270, 74111), (333, 60090), (370, 54081), (555, 36054), (666, 30045), (999, 20030), (1110, 18027), (1665, 12018), (1998, 10015), (2003, 9990), (3330, 6009), (4006, 4995)]