20723097

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{503}}^1$

素因数の和:980

約数の個数: 16

約数和(自身を含む): 28643328

約数和(自身を除く): 7920231

約数列:

[1, 3, 31, 93, 443, 503, 1329, 1509, 13733, 15593, 41199, 46779, 222829, 668487, 6907699, 20723097]

約数ペア:

[(1, 20723097), (3, 6907699), (31, 668487), (93, 222829), (443, 46779), (503, 41199), (1329, 15593), (1509, 13733)]