20312035

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1973}}^1$

素因数の和:2078

約数の個数: 16

約数和(自身を含む): 25583040

約数和(自身を除く): 5271005

約数列:

[1, 5, 29, 71, 145, 355, 1973, 2059, 9865, 10295, 57217, 140083, 286085, 700415, 4062407, 20312035]

約数ペア:

[(1, 20312035), (5, 4062407), (29, 700415), (71, 286085), (145, 140083), (355, 57217), (1973, 10295), (2059, 9865)]