20176664547

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{280711}}^1$

素因数の和:280843

約数の個数: 32

約数和(自身を含む): 30810949120

約数和(自身を除く): 10634284573

約数列:

[1, 3, 13, 19, 39, 57, 97, 247, 291, 741, 1261, 1843, 3783, 5529, 23959, 71877, 280711, 842133, 3649243, 5333509, 10947729, 16000527, 27228967, 69335617, 81686901, 208006851, 353976571, 517350373, 1061929713, 1552051119, 6725554849, 20176664547]

約数ペア:

[(1, 20176664547), (3, 6725554849), (13, 1552051119), (19, 1061929713), (39, 517350373), (57, 353976571), (97, 208006851), (247, 81686901), (291, 69335617), (741, 27228967), (1261, 16000527), (1843, 10947729), (3783, 5333509), (5529, 3649243), (23959, 842133), (71877, 280711)]