20936750

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{1009}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 39705120

約数和(自身を除く): 18768370

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 830, 1009, 2018, 2075, 4150, 5045, 10090, 10375, 20750, 25225, 50450, 83747, 126125, 167494, 252250, 418735, 837470, 2093675, 4187350, 10468375, 20936750]

約数ペア:

[(1, 20936750), (2, 10468375), (5, 4187350), (10, 2093675), (25, 837470), (50, 418735), (83, 252250), (125, 167494), (166, 126125), (250, 83747), (415, 50450), (830, 25225), (1009, 20750), (2018, 10375), (2075, 10090), (4150, 5045)]