20159396560

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1839361}}^1$

素因数の和:1839511

約数の個数: 40

約数和(自身を含む): 47212743816

約数和(自身を除く): 27053347256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 1839361, 3678722, 7357444, 9196805, 14714888, 18393610, 29429776, 36787220, 73574440, 147148880, 251992457, 503984914, 1007969828, 1259962285, 2015939656, 2519924570, 4031879312, 5039849140, 10079698280, 20159396560]

約数ペア:

[(1, 20159396560), (2, 10079698280), (4, 5039849140), (5, 4031879312), (8, 2519924570), (10, 2015939656), (16, 1259962285), (20, 1007969828), (40, 503984914), (80, 251992457), (137, 147148880), (274, 73574440), (548, 36787220), (685, 29429776), (1096, 18393610), (1370, 14714888), (2192, 9196805), (2740, 7357444), (5480, 3678722), (10960, 1839361)]