20280286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{2699}}^1$

素因数の和:2748

約数の個数: 24

約数和(自身を含む): 34813800

約数和(自身を除く): 14533514

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 2699, 3757, 5398, 7514, 35087, 45883, 70174, 91766, 596479, 780011, 1192958, 1560022, 10140143, 20280286]

約数ペア:

[(1, 20280286), (2, 10140143), (13, 1560022), (17, 1192958), (26, 780011), (34, 596479), (221, 91766), (289, 70174), (442, 45883), (578, 35087), (2699, 7514), (3757, 5398)]