20618763

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{719}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 30643200

約数和(自身を除く): 10024437

約数列:

[1, 3, 11, 33, 79, 121, 237, 363, 719, 869, 2157, 2607, 7909, 9559, 23727, 28677, 56801, 86999, 170403, 260997, 624811, 1874433, 6872921, 20618763]

約数ペア:

[(1, 20618763), (3, 6872921), (11, 1874433), (33, 624811), (79, 260997), (121, 170403), (237, 86999), (363, 56801), (719, 28677), (869, 23727), (2157, 9559), (2607, 7909)]