20828073477

素因数分解:

$3^1\times {\mathrm{277}}^1\times {\mathrm{1553}}^1\times {\mathrm{16139}}^1$

素因数の和:17972

約数の個数: 16

約数和(自身を含む): 27890694720

約数和(自身を除く): 7062621243

約数列:

[1, 3, 277, 831, 1553, 4659, 16139, 48417, 430181, 1290543, 4470503, 13411509, 25063867, 75191601, 6942691159, 20828073477]

約数ペア:

[(1, 20828073477), (3, 6942691159), (277, 75191601), (831, 25063867), (1553, 13411509), (4659, 4470503), (16139, 1290543), (48417, 430181)]