22020625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{3203}}^1$

素因数の和:3234

約数の個数: 20

約数和(自身を含む): 30027888

約数和(自身を除く): 8007263

約数列:

[1, 5, 11, 25, 55, 125, 275, 625, 1375, 3203, 6875, 16015, 35233, 80075, 176165, 400375, 880825, 2001875, 4404125, 22020625]

約数ペア:

[(1, 22020625), (5, 4404125), (11, 2001875), (25, 880825), (55, 400375), (125, 176165), (275, 80075), (625, 35233), (1375, 16015), (3203, 6875)]