20015180

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2683}}^1$

素因数の和:3065

約数の個数: 24

約数和(自身を含む): 42160272

約数和(自身を除く): 22145092

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2683, 3730, 5366, 7460, 10732, 13415, 26830, 53660, 1000759, 2001518, 4003036, 5003795, 10007590, 20015180]

約数ペア:

[(1, 20015180), (2, 10007590), (4, 5003795), (5, 4003036), (10, 2001518), (20, 1000759), (373, 53660), (746, 26830), (1492, 13415), (1865, 10732), (2683, 7460), (3730, 5366)]