20668186

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1303}}^1$

素因数の和:1426

約数の個数: 32

約数和(自身を含む): 39057408

約数和(自身を除く): 18389222

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 154, 206, 721, 1133, 1303, 1442, 2266, 2606, 7931, 9121, 14333, 15862, 18242, 28666, 100331, 134209, 200662, 268418, 939463, 1476299, 1878926, 2952598, 10334093, 20668186]

約数ペア:

[(1, 20668186), (2, 10334093), (7, 2952598), (11, 1878926), (14, 1476299), (22, 939463), (77, 268418), (103, 200662), (154, 134209), (206, 100331), (721, 28666), (1133, 18242), (1303, 15862), (1442, 14333), (2266, 9121), (2606, 7931)]