20178662259

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{30996409}}^1$

素因数の和:30996450

約数の個数: 16

約数和(自身を含む): 31740323840

約数和(自身を除く): 11561661581

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 30996409, 92989227, 216974863, 650924589, 960888679, 2882666037, 6726220753, 20178662259]

約数ペア:

[(1, 20178662259), (3, 6726220753), (7, 2882666037), (21, 960888679), (31, 650924589), (93, 216974863), (217, 92989227), (651, 30996409)]