20938485

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1217}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 35546112

約数和(自身を除く): 14607627

約数列:

[1, 3, 5, 15, 31, 37, 93, 111, 155, 185, 465, 555, 1147, 1217, 3441, 3651, 5735, 6085, 17205, 18255, 37727, 45029, 113181, 135087, 188635, 225145, 565905, 675435, 1395899, 4187697, 6979495, 20938485]

約数ペア:

[(1, 20938485), (3, 6979495), (5, 4187697), (15, 1395899), (31, 675435), (37, 565905), (93, 225145), (111, 188635), (155, 135087), (185, 113181), (465, 45029), (555, 37727), (1147, 18255), (1217, 17205), (3441, 6085), (3651, 5735)]