20620972

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 39916800

約数和(自身を除く): 19295828

約数列:

[1, 2, 4, 23, 29, 46, 58, 59, 92, 116, 118, 131, 236, 262, 524, 667, 1334, 1357, 1711, 2668, 2714, 3013, 3422, 3799, 5428, 6026, 6844, 7598, 7729, 12052, 15196, 15458, 30916, 39353, 78706, 87377, 157412, 174754, 177767, 224141, 349508, 355534, 448282, 711068, 896564, 5155243, 10310486, 20620972]

約数ペア:

[(1, 20620972), (2, 10310486), (4, 5155243), (23, 896564), (29, 711068), (46, 448282), (58, 355534), (59, 349508), (92, 224141), (116, 177767), (118, 174754), (131, 157412), (236, 87377), (262, 78706), (524, 39353), (667, 30916), (1334, 15458), (1357, 15196), (1711, 12052), (2668, 7729), (2714, 7598), (3013, 6844), (3422, 6026), (3799, 5428)]