20213460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{112297}}^1$

素因数の和:112312

約数の個数: 36

約数和(自身を含む): 61314708

約数和(自身を除く): 41101248

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 112297, 224594, 336891, 449188, 561485, 673782, 1010673, 1122970, 1347564, 1684455, 2021346, 2245940, 3368910, 4042692, 5053365, 6737820, 10106730, 20213460]

約数ペア:

[(1, 20213460), (2, 10106730), (3, 6737820), (4, 5053365), (5, 4042692), (6, 3368910), (9, 2245940), (10, 2021346), (12, 1684455), (15, 1347564), (18, 1122970), (20, 1010673), (30, 673782), (36, 561485), (45, 449188), (60, 336891), (90, 224594), (180, 112297)]