20121949782

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{177979}}^1$

素因数の和:178569

約数の個数: 48

約数和(自身を含む): 47644534080

約数和(自身を除く): 27522584298

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 571, 1142, 1713, 3426, 5139, 6281, 10278, 12562, 18843, 37686, 56529, 113058, 177979, 355958, 533937, 1067874, 1601811, 1957769, 3203622, 3915538, 5873307, 11746614, 17619921, 35239842, 101626009, 203252018, 304878027, 609756054, 914634081, 1117886099, 1829268162, 2235772198, 3353658297, 6707316594, 10060974891, 20121949782]

約数ペア:

[(1, 20121949782), (2, 10060974891), (3, 6707316594), (6, 3353658297), (9, 2235772198), (11, 1829268162), (18, 1117886099), (22, 914634081), (33, 609756054), (66, 304878027), (99, 203252018), (198, 101626009), (571, 35239842), (1142, 17619921), (1713, 11746614), (3426, 5873307), (5139, 3915538), (6281, 3203622), (10278, 1957769), (12562, 1601811), (18843, 1067874), (37686, 533937), (56529, 355958), (113058, 177979)]