20145793479

素因数分解:

$3^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{2071973}}^1$

素因数の和:2072446

約数の個数: 16

約数和(自身を含む): 30764669952

約数和(自身を除く): 10618876473

約数列:

[1, 3, 7, 21, 463, 1389, 3241, 9723, 2071973, 6215919, 14503811, 43511433, 959323499, 2877970497, 6715264493, 20145793479]

約数ペア:

[(1, 20145793479), (3, 6715264493), (7, 2877970497), (21, 959323499), (463, 43511433), (1389, 14503811), (3241, 6215919), (9723, 2071973)]