20402018

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{8623}}^1$

素因数の和:8658

約数の個数: 24

約数和(自身を含む): 37876608

約数和(自身を除く): 17474590

約数列:

[1, 2, 7, 13, 14, 26, 91, 169, 182, 338, 1183, 2366, 8623, 17246, 60361, 112099, 120722, 224198, 784693, 1457287, 1569386, 2914574, 10201009, 20402018]

約数ペア:

[(1, 20402018), (2, 10201009), (7, 2914574), (13, 1569386), (14, 1457287), (26, 784693), (91, 224198), (169, 120722), (182, 112099), (338, 60361), (1183, 17246), (2366, 8623)]