20512946493

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19480481}}^1$

素因数の和:19480506

約数の個数: 20

約数和(自身を含む): 32999936508

約数和(自身を除く): 12486990015

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19480481, 58441443, 175324329, 253246253, 525972987, 759738759, 1577918961, 2279216277, 6837648831, 20512946493]

約数ペア:

[(1, 20512946493), (3, 6837648831), (9, 2279216277), (13, 1577918961), (27, 759738759), (39, 525972987), (81, 253246253), (117, 175324329), (351, 58441443), (1053, 19480481)]