20789022141

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{337}}^1\times {\mathrm{28921}}^1$

素因数の和:29346

約数の個数: 32

約数和(自身を含む): 31282035200

約数和(自身を除く): 10493013059

約数列:

[1, 3, 9, 27, 79, 237, 337, 711, 1011, 2133, 3033, 9099, 26623, 28921, 79869, 86763, 239607, 260289, 718821, 780867, 2284759, 6854277, 9746377, 20562831, 29239131, 61688493, 87717393, 263152179, 769963783, 2309891349, 6929674047, 20789022141]

約数ペア:

[(1, 20789022141), (3, 6929674047), (9, 2309891349), (27, 769963783), (79, 263152179), (237, 87717393), (337, 61688493), (711, 29239131), (1011, 20562831), (2133, 9746377), (3033, 6854277), (9099, 2284759), (26623, 780867), (28921, 718821), (79869, 260289), (86763, 239607)]