20712850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21803}}^1$

素因数の和:21834

約数の個数: 24

約数和(自身を含む): 40555440

約数和(自身を除く): 19842590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21803, 43606, 109015, 218030, 414257, 545075, 828514, 1090150, 2071285, 4142570, 10356425, 20712850]

約数ペア:

[(1, 20712850), (2, 10356425), (5, 4142570), (10, 2071285), (19, 1090150), (25, 828514), (38, 545075), (50, 414257), (95, 218030), (190, 109015), (475, 43606), (950, 21803)]