20128017

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4337}}^1$

素因数の和:4377

約数の個数: 32

約数和(自身を含む): 34981632

約数和(自身を除く): 14853615

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4337, 4641, 13011, 30359, 56381, 73729, 91077, 169143, 221187, 394667, 516103, 958477, 1184001, 1548309, 2875431, 6709339, 20128017]

約数ペア:

[(1, 20128017), (3, 6709339), (7, 2875431), (13, 1548309), (17, 1184001), (21, 958477), (39, 516103), (51, 394667), (91, 221187), (119, 169143), (221, 91077), (273, 73729), (357, 56381), (663, 30359), (1547, 13011), (4337, 4641)]