20537380

素因数分解:

$2^2\times 5^1\times {\mathrm{373}}^1\times {\mathrm{2753}}^1$

素因数の和:3135

約数の個数: 24

約数和(自身を含む): 43259832

約数和(自身を除く): 22722452

約数列:

[1, 2, 4, 5, 10, 20, 373, 746, 1492, 1865, 2753, 3730, 5506, 7460, 11012, 13765, 27530, 55060, 1026869, 2053738, 4107476, 5134345, 10268690, 20537380]

約数ペア:

[(1, 20537380), (2, 10268690), (4, 5134345), (5, 4107476), (10, 2053738), (20, 1026869), (373, 55060), (746, 27530), (1492, 13765), (1865, 11012), (2753, 7460), (3730, 5506)]