20791055997

素因数分解:

$3^3\times {\mathrm{109}}^1\times {\mathrm{7064579}}^1$

素因数の和:7064697

約数の個数: 16

約数和(自身を含む): 31084152000

約数和(自身を除く): 10293096003

約数列:

[1, 3, 9, 27, 109, 327, 981, 2943, 7064579, 21193737, 63581211, 190743633, 770039111, 2310117333, 6930351999, 20791055997]

約数ペア:

[(1, 20791055997), (3, 6930351999), (9, 2310117333), (27, 770039111), (109, 190743633), (327, 63581211), (981, 21193737), (2943, 7064579)]