20639553

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{317}}^1\times {\mathrm{1973}}^1$

素因数の和:2304

約数の個数: 16

約数和(自身を含む): 30131136

約数和(自身を除く): 9491583

約数列:

[1, 3, 11, 33, 317, 951, 1973, 3487, 5919, 10461, 21703, 65109, 625441, 1876323, 6879851, 20639553]

約数ペア:

[(1, 20639553), (3, 6879851), (11, 1876323), (33, 625441), (317, 65109), (951, 21703), (1973, 10461), (3487, 5919)]