20510762

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2041

約数の個数: 16

約数和(自身を含む): 31638600

約数和(自身を除く): 11127838

約数列:

[1, 2, 61, 89, 122, 178, 1889, 3778, 5429, 10858, 115229, 168121, 230458, 336242, 10255381, 20510762]

約数ペア:

[(1, 20510762), (2, 10255381), (61, 336242), (89, 230458), (122, 168121), (178, 115229), (1889, 10858), (3778, 5429)]