20405392644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18686257}}^1$

素因数の和:18686284

約数の個数: 48

約数和(自身を含む): 58600105088

約数和(自身を除く): 38194712444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18686257, 37372514, 56058771, 74745028, 112117542, 130803799, 224235084, 242921341, 261607598, 392411397, 485842682, 523215196, 728764023, 784822794, 971685364, 1457528046, 1569645588, 1700449387, 2915056092, 3400898774, 5101348161, 6801797548, 10202696322, 20405392644]

約数ペア:

[(1, 20405392644), (2, 10202696322), (3, 6801797548), (4, 5101348161), (6, 3400898774), (7, 2915056092), (12, 1700449387), (13, 1569645588), (14, 1457528046), (21, 971685364), (26, 784822794), (28, 728764023), (39, 523215196), (42, 485842682), (52, 392411397), (78, 261607598), (84, 242921341), (91, 224235084), (156, 130803799), (182, 112117542), (273, 74745028), (364, 56058771), (546, 37372514), (1092, 18686257)]