20199665301

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1\times {\mathrm{4157}}^1$

素因数の和:4865

約数の個数: 32

約数和(自身を含む): 28585751040

約数和(自身を除く): 8386085739

約数列:

[1, 3, 19, 57, 163, 489, 523, 1569, 3097, 4157, 9291, 9937, 12471, 29811, 78983, 85249, 236949, 255747, 677591, 1619731, 2032773, 2174111, 4859193, 6522333, 12874229, 38622687, 41308109, 123924327, 354380093, 1063140279, 6733221767, 20199665301]

約数ペア:

[(1, 20199665301), (3, 6733221767), (19, 1063140279), (57, 354380093), (163, 123924327), (489, 41308109), (523, 38622687), (1569, 12874229), (3097, 6522333), (4157, 4859193), (9291, 2174111), (9937, 2032773), (12471, 1619731), (29811, 677591), (78983, 255747), (85249, 236949)]