20893195

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1619}}^1$

素因数の和:1742

約数の個数: 16

約数和(自身を含む): 26244000

約数和(自身を除く): 5350805

約数列:

[1, 5, 29, 89, 145, 445, 1619, 2581, 8095, 12905, 46951, 144091, 234755, 720455, 4178639, 20893195]

約数ペア:

[(1, 20893195), (5, 4178639), (29, 720455), (89, 234755), (145, 144091), (445, 46951), (1619, 12905), (2581, 8095)]