20186749443

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{521581}}^1$

素因数の和:521707

約数の個数: 32

約数和(自身を含む): 32713623040

約数和(自身を除く): 12526873597

約数列:

[1, 3, 7, 19, 21, 57, 97, 133, 291, 399, 679, 1843, 2037, 5529, 12901, 38703, 521581, 1564743, 3651067, 9910039, 10953201, 29730117, 50593357, 69370273, 151780071, 208110819, 354153499, 961273783, 1062460497, 2883821349, 6728916481, 20186749443]

約数ペア:

[(1, 20186749443), (3, 6728916481), (7, 2883821349), (19, 1062460497), (21, 961273783), (57, 354153499), (97, 208110819), (133, 151780071), (291, 69370273), (399, 50593357), (679, 29730117), (1843, 10953201), (2037, 9910039), (5529, 3651067), (12901, 1564743), (38703, 521581)]