20155750

素因数分解:

$2^1\times 5^3\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 38769120

約数和(自身を除く): 18613370

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 925, 1850, 2179, 4358, 4625, 9250, 10895, 21790, 54475, 80623, 108950, 161246, 272375, 403115, 544750, 806230, 2015575, 4031150, 10077875, 20155750]

約数ペア:

[(1, 20155750), (2, 10077875), (5, 4031150), (10, 2015575), (25, 806230), (37, 544750), (50, 403115), (74, 272375), (125, 161246), (185, 108950), (250, 80623), (370, 54475), (925, 21790), (1850, 10895), (2179, 9250), (4358, 4625)]