20677072

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{99409}}^1$

素因数の和:99430

約数の個数: 20

約数和(自身を含む): 43143940

約数和(自身を除く): 22466868

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 99409, 198818, 397636, 795272, 1292317, 1590544, 2584634, 5169268, 10338536, 20677072]

約数ペア:

[(1, 20677072), (2, 10338536), (4, 5169268), (8, 2584634), (13, 1590544), (16, 1292317), (26, 795272), (52, 397636), (104, 198818), (208, 99409)]