20710750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2239}}^1$

素因数の和:2293

約数の個数: 32

約数和(自身を含む): 39836160

約数和(自身を除く): 19125410

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2239, 4478, 4625, 9250, 11195, 22390, 55975, 82843, 111950, 165686, 279875, 414215, 559750, 828430, 2071075, 4142150, 10355375, 20710750]

約数ペア:

[(1, 20710750), (2, 10355375), (5, 4142150), (10, 2071075), (25, 828430), (37, 559750), (50, 414215), (74, 279875), (125, 165686), (185, 111950), (250, 82843), (370, 55975), (925, 22390), (1850, 11195), (2239, 9250), (4478, 4625)]