20851308

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{9817}}^1$

素因数の和:9886

約数の個数: 36

約数和(自身を含む): 53606280

約数和(自身を除く): 32754972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 9817, 19634, 29451, 39268, 58902, 88353, 117804, 176706, 353412, 579203, 1158406, 1737609, 2316812, 3475218, 5212827, 6950436, 10425654, 20851308]

約数ペア:

[(1, 20851308), (2, 10425654), (3, 6950436), (4, 5212827), (6, 3475218), (9, 2316812), (12, 1737609), (18, 1158406), (36, 579203), (59, 353412), (118, 176706), (177, 117804), (236, 88353), (354, 58902), (531, 39268), (708, 29451), (1062, 19634), (2124, 9817)]