20808211851

素因数分解:

$3^3\times 7^1\times {\mathrm{4049}}^1\times {\mathrm{27191}}^1$

素因数の和:31256

約数の個数: 32

約数和(自身を含む): 35240832000

約数和(自身を除く): 14432620149

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 4049, 12147, 27191, 28343, 36441, 81573, 85029, 109323, 190337, 244719, 255087, 571011, 734157, 765261, 1713033, 5139099, 110096359, 330289077, 770674513, 990867231, 2312023539, 2972601693, 6936070617, 20808211851]

約数ペア:

[(1, 20808211851), (3, 6936070617), (7, 2972601693), (9, 2312023539), (21, 990867231), (27, 770674513), (63, 330289077), (189, 110096359), (4049, 5139099), (12147, 1713033), (27191, 765261), (28343, 734157), (36441, 571011), (81573, 255087), (85029, 244719), (109323, 190337)]