20768077017

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{179563}}^1$

素因数の和:179821

約数の個数: 24

約数和(自身を含む): 30589086528

約数和(自身を除く): 9821009511

約数列:

[1, 3, 9, 71, 181, 213, 543, 639, 1629, 12851, 38553, 115659, 179563, 538689, 1616067, 12748973, 32500903, 38246919, 97502709, 114740757, 292508127, 2307564113, 6922692339, 20768077017]

約数ペア:

[(1, 20768077017), (3, 6922692339), (9, 2307564113), (71, 292508127), (181, 114740757), (213, 97502709), (543, 38246919), (639, 32500903), (1629, 12748973), (12851, 1616067), (38553, 538689), (115659, 179563)]