20783139

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{4889}}^1$

素因数の和:5014

約数の個数: 16

約数和(自身を含む): 30122400

約数和(自身を除く): 9339261

約数列:

[1, 3, 13, 39, 109, 327, 1417, 4251, 4889, 14667, 63557, 190671, 532901, 1598703, 6927713, 20783139]

約数ペア:

[(1, 20783139), (3, 6927713), (13, 1598703), (39, 532901), (109, 190671), (327, 63557), (1417, 14667), (4251, 4889)]