20363427

素因数分解:

$3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{661}}^1$

素因数の和:840

約数の個数: 32

約数和(自身を含む): 34741760

約数和(自身を除く): 14378333

約数列:

[1, 3, 7, 9, 21, 27, 63, 163, 189, 489, 661, 1141, 1467, 1983, 3423, 4401, 4627, 5949, 10269, 13881, 17847, 30807, 41643, 107743, 124929, 323229, 754201, 969687, 2262603, 2909061, 6787809, 20363427]

約数ペア:

[(1, 20363427), (3, 6787809), (7, 2909061), (9, 2262603), (21, 969687), (27, 754201), (63, 323229), (163, 124929), (189, 107743), (489, 41643), (661, 30807), (1141, 17847), (1467, 13881), (1983, 10269), (3423, 5949), (4401, 4627)]