20919195

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{14087}}^1$

素因数の和:14112

約数の個数: 32

約数和(自身を含む): 40573440

約数和(自身を除く): 19654245

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 14087, 42261, 70435, 126783, 154957, 211305, 380349, 464871, 633915, 774785, 1394613, 1901745, 2324355, 4183839, 6973065, 20919195]

約数ペア:

[(1, 20919195), (3, 6973065), (5, 4183839), (9, 2324355), (11, 1901745), (15, 1394613), (27, 774785), (33, 633915), (45, 464871), (55, 380349), (99, 211305), (135, 154957), (165, 126783), (297, 70435), (495, 42261), (1485, 14087)]