20616388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1879}}^1$

素因数の和:2107

約数の個数: 24

約数和(自身を含む): 39058880

約数和(自身を除く): 18442492

約数列:

[1, 2, 4, 13, 26, 52, 211, 422, 844, 1879, 2743, 3758, 5486, 7516, 10972, 24427, 48854, 97708, 396469, 792938, 1585876, 5154097, 10308194, 20616388]

約数ペア:

[(1, 20616388), (2, 10308194), (4, 5154097), (13, 1585876), (26, 792938), (52, 396469), (211, 97708), (422, 48854), (844, 24427), (1879, 10972), (2743, 7516), (3758, 5486)]