20161665590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{676339}}^1$

素因数の和:676628

約数の個数: 32

約数和(自身を含む): 39736327680

約数和(自身を除く): 19574662090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 271, 542, 1355, 2710, 2981, 5962, 14905, 29810, 676339, 1352678, 3381695, 6763390, 7439729, 14879458, 37198645, 74397290, 183287869, 366575738, 916439345, 1832878690, 2016166559, 4032333118, 10080832795, 20161665590]

約数ペア:

[(1, 20161665590), (2, 10080832795), (5, 4032333118), (10, 2016166559), (11, 1832878690), (22, 916439345), (55, 366575738), (110, 183287869), (271, 74397290), (542, 37198645), (1355, 14879458), (2710, 7439729), (2981, 6763390), (5962, 3381695), (14905, 1352678), (29810, 676339)]