20029821

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9833}}^1$

素因数の和:9940

約数の個数: 16

約数和(自身を含む): 30839424

約数和(自身を除く): 10809603

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9833, 29499, 68831, 206493, 953801, 2861403, 6676607, 20029821]

約数ペア:

[(1, 20029821), (3, 6676607), (7, 2861403), (21, 953801), (97, 206493), (291, 68831), (679, 29499), (2037, 9833)]