20445776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98297}}^1$

素因数の和:98318

約数の個数: 20

約数和(自身を含む): 42661332

約数和(自身を除く): 22215556

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98297, 196594, 393188, 786376, 1277861, 1572752, 2555722, 5111444, 10222888, 20445776]

約数ペア:

[(1, 20445776), (2, 10222888), (4, 5111444), (8, 2555722), (13, 1572752), (16, 1277861), (26, 786376), (52, 393188), (104, 196594), (208, 98297)]