20851101

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{1619}}^1$

素因数の和:1687

約数の個数: 24

約数和(自身を含む): 31842720

約数和(自身を除く): 10991619

約数列:

[1, 3, 9, 27, 53, 81, 159, 243, 477, 1431, 1619, 4293, 4857, 12879, 14571, 43713, 85807, 131139, 257421, 393417, 772263, 2316789, 6950367, 20851101]

約数ペア:

[(1, 20851101), (3, 6950367), (9, 2316789), (27, 772263), (53, 393417), (81, 257421), (159, 131139), (243, 85807), (477, 43713), (1431, 14571), (1619, 12879), (4293, 4857)]