20264900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{5477}}^1$

素因数の和:5528

約数の個数: 36

約数和(自身を含む): 45171588

約数和(自身を除く): 24906688

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 148, 185, 370, 740, 925, 1850, 3700, 5477, 10954, 21908, 27385, 54770, 109540, 136925, 202649, 273850, 405298, 547700, 810596, 1013245, 2026490, 4052980, 5066225, 10132450, 20264900]

約数ペア:

[(1, 20264900), (2, 10132450), (4, 5066225), (5, 4052980), (10, 2026490), (20, 1013245), (25, 810596), (37, 547700), (50, 405298), (74, 273850), (100, 202649), (148, 136925), (185, 109540), (370, 54770), (740, 27385), (925, 21908), (1850, 10954), (3700, 5477)]