20349969945

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{4153}}^1$

素因数の和:4382

約数の個数: 64

約数和(自身を含む): 34110388224

約数和(自身を除く): 13760418279

約数列:

[1, 3, 5, 15, 43, 71, 107, 129, 213, 215, 321, 355, 535, 645, 1065, 1605, 3053, 4153, 4601, 7597, 9159, 12459, 13803, 15265, 20765, 22791, 23005, 37985, 45795, 62295, 69015, 113955, 178579, 294863, 326671, 444371, 535737, 884589, 892895, 980013, 1333113, 1474315, 1633355, 2221855, 2678685, 4422945, 4900065, 6665565, 12679109, 19107953, 31550341, 38037327, 57323859, 63395545, 94651023, 95539765, 157751705, 190186635, 286619295, 473255115, 1356664663, 4069993989, 6783323315, 20349969945]

約数ペア:

[(1, 20349969945), (3, 6783323315), (5, 4069993989), (15, 1356664663), (43, 473255115), (71, 286619295), (107, 190186635), (129, 157751705), (213, 95539765), (215, 94651023), (321, 63395545), (355, 57323859), (535, 38037327), (645, 31550341), (1065, 19107953), (1605, 12679109), (3053, 6665565), (4153, 4900065), (4601, 4422945), (7597, 2678685), (9159, 2221855), (12459, 1633355), (13803, 1474315), (15265, 1333113), (20765, 980013), (22791, 892895), (23005, 884589), (37985, 535737), (45795, 444371), (62295, 326671), (69015, 294863), (113955, 178579)]