20659072018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25631603}}^1$

素因数の和:25631649

約数の個数: 16

約数和(自身を含む): 34448875776

約数和(自身を除く): 13789803758

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 25631603, 51263206, 333210839, 666421678, 794579693, 1589159386, 10329536009, 20659072018]

約数ペア:

[(1, 20659072018), (2, 10329536009), (13, 1589159386), (26, 794579693), (31, 666421678), (62, 333210839), (403, 51263206), (806, 25631603)]