20797803

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19751}}^1$

素因数の和:19776

約数の個数: 20

約数和(自身を含む): 33459888

約数和(自身を除く): 12662085

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 19751, 59253, 177759, 256763, 533277, 770289, 1599831, 2310867, 6932601, 20797803]

約数ペア:

[(1, 20797803), (3, 6932601), (9, 2310867), (13, 1599831), (27, 770289), (39, 533277), (81, 256763), (117, 177759), (351, 59253), (1053, 19751)]