20786740119

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{382961}}^1$

素因数の和:383167

約数の個数: 24

約数和(自身を含む): 31026049392

約数和(自身を除く): 10239309273

約数列:

[1, 3, 9, 37, 111, 163, 333, 489, 1467, 6031, 18093, 54279, 382961, 1148883, 3446649, 14169557, 42508671, 62422643, 127526013, 187267929, 561803787, 2309637791, 6928913373, 20786740119]

約数ペア:

[(1, 20786740119), (3, 6928913373), (9, 2309637791), (37, 561803787), (111, 187267929), (163, 127526013), (333, 62422643), (489, 42508671), (1467, 14169557), (6031, 3446649), (18093, 1148883), (54279, 382961)]