20286404

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1171}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 36622656

約数和(自身を除く): 16336252

約数列:

[1, 2, 4, 61, 71, 122, 142, 244, 284, 1171, 2342, 4331, 4684, 8662, 17324, 71431, 83141, 142862, 166282, 285724, 332564, 5071601, 10143202, 20286404]

約数ペア:

[(1, 20286404), (2, 10143202), (4, 5071601), (61, 332564), (71, 285724), (122, 166282), (142, 142862), (244, 83141), (284, 71431), (1171, 17324), (2342, 8662), (4331, 4684)]