20163595557

素因数分解:

$3^1\times 7^1\times {\mathrm{2039}}^1\times {\mathrm{470903}}^1$

素因数の和:472952

約数の個数: 16

約数和(自身を含む): 30740613120

約数和(自身を除く): 10577017563

約数列:

[1, 3, 7, 21, 2039, 6117, 14273, 42819, 470903, 1412709, 3296321, 9888963, 960171217, 2880513651, 6721198519, 20163595557]

約数ペア:

[(1, 20163595557), (3, 6721198519), (7, 2880513651), (21, 960171217), (2039, 9888963), (6117, 3296321), (14273, 1412709), (42819, 470903)]