20121480001

素因数分解:

$7^3\times {\mathrm{157}}^1\times {\mathrm{491}}^1\times {\mathrm{761}}^1$

素因数の和:1430

約数の個数: 32

約数和(自身を含む): 23693932800

約数和(自身を除く): 3572452799

約数列:

[1, 7, 49, 157, 343, 491, 761, 1099, 3437, 5327, 7693, 24059, 37289, 53851, 77087, 119477, 168413, 261023, 373651, 539609, 836339, 2615557, 3777263, 5854373, 18308899, 26440841, 40980611, 58663207, 128162293, 410642449, 2874497143, 20121480001]

約数ペア:

[(1, 20121480001), (7, 2874497143), (49, 410642449), (157, 128162293), (343, 58663207), (491, 40980611), (761, 26440841), (1099, 18308899), (3437, 5854373), (5327, 3777263), (7693, 2615557), (24059, 836339), (37289, 539609), (53851, 373651), (77087, 261023), (119477, 168413)]