20710263

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 13020297

約数列:

[1, 3, 7, 21, 29, 31, 87, 93, 203, 217, 609, 651, 899, 1097, 2697, 3291, 6293, 7679, 18879, 23037, 31813, 34007, 95439, 102021, 222691, 238049, 668073, 714147, 986203, 2958609, 6903421, 20710263]

約数ペア:

[(1, 20710263), (3, 6903421), (7, 2958609), (21, 986203), (29, 714147), (31, 668073), (87, 238049), (93, 222691), (203, 102021), (217, 95439), (609, 34007), (651, 31813), (899, 23037), (1097, 18879), (2697, 7679), (3291, 6293)]