20189951995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{2448751}}^1$

素因数の和:2448870

約数の個数: 16

約数和(自身を含む): 25917591168

約数和(自身を除く): 5727639173

約数列:

[1, 5, 17, 85, 97, 485, 1649, 8245, 2448751, 12243755, 41628767, 208143835, 237528847, 1187644235, 4037990399, 20189951995]

約数ペア:

[(1, 20189951995), (5, 4037990399), (17, 1187644235), (85, 237528847), (97, 208143835), (485, 41628767), (1649, 12243755), (8245, 2448751)]