20112978242

素因数分解:

$2^1\times 7^1\times {\mathrm{2801}}^1\times {\mathrm{512903}}^1$

素因数の和:515713

約数の個数: 16

約数和(自身を含む): 34491768192

約数和(自身を除く): 14378789950

約数列:

[1, 2, 7, 14, 2801, 5602, 19607, 39214, 512903, 1025806, 3590321, 7180642, 1436641303, 2873282606, 10056489121, 20112978242]

約数ペア:

[(1, 20112978242), (2, 10056489121), (7, 2873282606), (14, 1436641303), (2801, 7180642), (5602, 3590321), (19607, 1025806), (39214, 512903)]