20749990

素因数分解:

$2^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{5563}}^1$

素因数の和:5943

約数の個数: 16

約数和(自身を含む): 37456848

約数和(自身を除く): 16706858

約数列:

[1, 2, 5, 10, 373, 746, 1865, 3730, 5563, 11126, 27815, 55630, 2074999, 4149998, 10374995, 20749990]

約数ペア:

[(1, 20749990), (2, 10374995), (5, 4149998), (10, 2074999), (373, 55630), (746, 27815), (1865, 11126), (3730, 5563)]