20109450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1697}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 50532480

約数和(自身を除く): 30423030

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 79, 150, 158, 237, 395, 474, 790, 1185, 1697, 1975, 2370, 3394, 3950, 5091, 5925, 8485, 10182, 11850, 16970, 25455, 42425, 50910, 84850, 127275, 134063, 254550, 268126, 402189, 670315, 804378, 1340630, 2010945, 3351575, 4021890, 6703150, 10054725, 20109450]

約数ペア:

[(1, 20109450), (2, 10054725), (3, 6703150), (5, 4021890), (6, 3351575), (10, 2010945), (15, 1340630), (25, 804378), (30, 670315), (50, 402189), (75, 268126), (79, 254550), (150, 134063), (158, 127275), (237, 84850), (395, 50910), (474, 42425), (790, 25455), (1185, 16970), (1697, 11850), (1975, 10182), (2370, 8485), (3394, 5925), (3950, 5091)]