20608335

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 43130880

約数和(自身を除く): 22522545

約数列:

[1, 3, 5, 9, 11, 15, 17, 31, 33, 45, 51, 55, 79, 85, 93, 99, 153, 155, 165, 187, 237, 255, 279, 341, 395, 465, 495, 527, 561, 711, 765, 869, 935, 1023, 1185, 1343, 1395, 1581, 1683, 1705, 2449, 2607, 2635, 2805, 3069, 3555, 4029, 4345, 4743, 5115, 5797, 6715, 7347, 7821, 7905, 8415, 12087, 12245, 13035, 14773, 15345, 17391, 20145, 22041, 23715, 26939, 28985, 36735, 39105, 41633, 44319, 52173, 60435, 73865, 80817, 86955, 110205, 124899, 132957, 134695, 208165, 221595, 242451, 260865, 374697, 404085, 457963, 624495, 664785, 1212255, 1373889, 1873485, 2289815, 4121667, 6869445, 20608335]

約数ペア:

[(1, 20608335), (3, 6869445), (5, 4121667), (9, 2289815), (11, 1873485), (15, 1373889), (17, 1212255), (31, 664785), (33, 624495), (45, 457963), (51, 404085), (55, 374697), (79, 260865), (85, 242451), (93, 221595), (99, 208165), (153, 134695), (155, 132957), (165, 124899), (187, 110205), (237, 86955), (255, 80817), (279, 73865), (341, 60435), (395, 52173), (465, 44319), (495, 41633), (527, 39105), (561, 36735), (711, 28985), (765, 26939), (869, 23715), (935, 22041), (1023, 20145), (1185, 17391), (1343, 15345), (1395, 14773), (1581, 13035), (1683, 12245), (1705, 12087), (2449, 8415), (2607, 7905), (2635, 7821), (2805, 7347), (3069, 6715), (3555, 5797), (4029, 5115), (4345, 4743)]