20892457

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:432

約数の個数: 16

約数和(自身を含む): 22872960

約数和(自身を除く): 1980503

約数列:

[1, 19, 37, 113, 263, 703, 2147, 4181, 4997, 9731, 29719, 79439, 184889, 564661, 1099603, 20892457]

約数ペア:

[(1, 20892457), (19, 1099603), (37, 564661), (113, 184889), (263, 79439), (703, 29719), (2147, 9731), (4181, 4997)]