20261995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7603}}^1$

素因数の和:7662

約数の個数: 16

約数和(自身を含む): 26826912

約数和(自身を除く): 6564917

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 7603, 38015, 98839, 311723, 494195, 1558615, 4052399, 20261995]

約数ペア:

[(1, 20261995), (5, 4052399), (13, 1558615), (41, 494195), (65, 311723), (205, 98839), (533, 38015), (2665, 7603)]