20969010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2099}}^1$

素因数の和:2152

約数の個数: 64

約数和(自身を含む): 57456000

約数和(自身を除く): 36486990

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, 2099, 3330, 4198, 4995, 6297, 9990, 10495, 12594, 18891, 20990, 31485, 37782, 56673, 62970, 77663, 94455, 113346, 155326, 188910, 232989, 283365, 388315, 465978, 566730, 698967, 776630, 1164945, 1397934, 2096901, 2329890, 3494835, 4193802, 6989670, 10484505, 20969010]

約数ペア:

[(1, 20969010), (2, 10484505), (3, 6989670), (5, 4193802), (6, 3494835), (9, 2329890), (10, 2096901), (15, 1397934), (18, 1164945), (27, 776630), (30, 698967), (37, 566730), (45, 465978), (54, 388315), (74, 283365), (90, 232989), (111, 188910), (135, 155326), (185, 113346), (222, 94455), (270, 77663), (333, 62970), (370, 56673), (555, 37782), (666, 31485), (999, 20990), (1110, 18891), (1665, 12594), (1998, 10495), (2099, 9990), (3330, 6297), (4198, 4995)]