20187207039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1571}}^1$

素因数の和:1848

約数の個数: 64

約数和(自身を含む): 30559680000

約数和(自身を除く): 10372472961

約数列:

[1, 3, 17, 19, 51, 57, 89, 149, 267, 323, 447, 969, 1513, 1571, 1691, 2533, 2831, 4539, 4713, 5073, 7599, 8493, 13261, 26707, 28747, 29849, 39783, 48127, 80121, 86241, 89547, 139819, 144381, 225437, 234079, 251959, 419457, 507433, 676311, 702237, 755877, 1522299, 2376923, 2656561, 3979343, 4283303, 4447501, 7130769, 7969683, 11938029, 12849909, 13342503, 20833031, 45161537, 62499093, 75607517, 135484611, 226822551, 354161527, 395827589, 1062484581, 1187482767, 6729069013, 20187207039]

約数ペア:

[(1, 20187207039), (3, 6729069013), (17, 1187482767), (19, 1062484581), (51, 395827589), (57, 354161527), (89, 226822551), (149, 135484611), (267, 75607517), (323, 62499093), (447, 45161537), (969, 20833031), (1513, 13342503), (1571, 12849909), (1691, 11938029), (2533, 7969683), (2831, 7130769), (4539, 4447501), (4713, 4283303), (5073, 3979343), (7599, 2656561), (8493, 2376923), (13261, 1522299), (26707, 755877), (28747, 702237), (29849, 676311), (39783, 507433), (48127, 419457), (80121, 251959), (86241, 234079), (89547, 225437), (139819, 144381)]