20178038787

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1331093}}^1$

素因数の和:1331290

約数の個数: 16

約数和(自身を含む): 27942325248

約数和(自身を除く): 7764286461

約数列:

[1, 3, 31, 93, 163, 489, 5053, 15159, 1331093, 3993279, 41263883, 123791649, 216968159, 650904477, 6726012929, 20178038787]

約数ペア:

[(1, 20178038787), (3, 6726012929), (31, 650904477), (93, 216968159), (163, 123791649), (489, 41263883), (5053, 3993279), (15159, 1331093)]