20874800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2269}}^1$

素因数の和:2310

約数の個数: 60

約数和(自身を含む): 52355280

約数和(自身を除く): 31480480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2269, 2300, 4538, 4600, 9076, 9200, 11345, 18152, 22690, 36304, 45380, 52187, 56725, 90760, 104374, 113450, 181520, 208748, 226900, 260935, 417496, 453800, 521870, 834992, 907600, 1043740, 1304675, 2087480, 2609350, 4174960, 5218700, 10437400, 20874800]

約数ペア:

[(1, 20874800), (2, 10437400), (4, 5218700), (5, 4174960), (8, 2609350), (10, 2087480), (16, 1304675), (20, 1043740), (23, 907600), (25, 834992), (40, 521870), (46, 453800), (50, 417496), (80, 260935), (92, 226900), (100, 208748), (115, 181520), (184, 113450), (200, 104374), (230, 90760), (368, 56725), (400, 52187), (460, 45380), (575, 36304), (920, 22690), (1150, 18152), (1840, 11345), (2269, 9200), (2300, 9076), (4538, 4600)]