20198026468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{331}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 39090498048

約数和(自身を除く): 18892471580

約数列:

[1, 2, 4, 17, 34, 47, 61, 68, 94, 122, 188, 244, 313, 331, 626, 662, 799, 1037, 1252, 1324, 1598, 2074, 2867, 3196, 4148, 5321, 5627, 5734, 10642, 11254, 11468, 14711, 15557, 19093, 20191, 21284, 22508, 29422, 31114, 38186, 40382, 48739, 58844, 62228, 76372, 80764, 97478, 103603, 194956, 207206, 250087, 264469, 324581, 343247, 414412, 500174, 528938, 649162, 686494, 897371, 948977, 1000348, 1057876, 1298324, 1372988, 1761251, 1794742, 1897954, 3522502, 3589484, 3795908, 4869341, 6319783, 7045004, 9738682, 12639566, 15255307, 16132609, 19477364, 25279132, 30510614, 32265218, 61021228, 64530436, 82778797, 107436311, 165557594, 214872622, 297029801, 331115188, 429745244, 594059602, 1188119204, 5049506617, 10099013234, 20198026468]

約数ペア:

[(1, 20198026468), (2, 10099013234), (4, 5049506617), (17, 1188119204), (34, 594059602), (47, 429745244), (61, 331115188), (68, 297029801), (94, 214872622), (122, 165557594), (188, 107436311), (244, 82778797), (313, 64530436), (331, 61021228), (626, 32265218), (662, 30510614), (799, 25279132), (1037, 19477364), (1252, 16132609), (1324, 15255307), (1598, 12639566), (2074, 9738682), (2867, 7045004), (3196, 6319783), (4148, 4869341), (5321, 3795908), (5627, 3589484), (5734, 3522502), (10642, 1897954), (11254, 1794742), (11468, 1761251), (14711, 1372988), (15557, 1298324), (19093, 1057876), (20191, 1000348), (21284, 948977), (22508, 897371), (29422, 686494), (31114, 649162), (38186, 528938), (40382, 500174), (48739, 414412), (58844, 343247), (62228, 324581), (76372, 264469), (80764, 250087), (97478, 207206), (103603, 194956)]