20121247116

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{10545727}}^1$

素因数の和:10545790

約数の個数: 36

約数和(自身を含む): 51821707392

約数和(自身を除く): 31700460276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 10545727, 21091454, 31637181, 42182908, 63274362, 94911543, 126548724, 189823086, 379646172, 558923531, 1117847062, 1676770593, 2235694124, 3353541186, 5030311779, 6707082372, 10060623558, 20121247116]

約数ペア:

[(1, 20121247116), (2, 10060623558), (3, 6707082372), (4, 5030311779), (6, 3353541186), (9, 2235694124), (12, 1676770593), (18, 1117847062), (36, 558923531), (53, 379646172), (106, 189823086), (159, 126548724), (212, 94911543), (318, 63274362), (477, 42182908), (636, 31637181), (954, 21091454), (1908, 10545727)]