20668816958

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1\times {\mathrm{419467}}^1$

素因数の和:419887

約数の個数: 16

約数和(自身を含む): 31530570624

約数和(自身を除く): 10861753666

約数列:

[1, 2, 71, 142, 347, 694, 24637, 49274, 419467, 838934, 29782157, 59564314, 145555049, 291110098, 10334408479, 20668816958]

約数ペア:

[(1, 20668816958), (2, 10334408479), (71, 291110098), (142, 145555049), (347, 59564314), (694, 29782157), (24637, 838934), (49274, 419467)]