20783969305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{18223}}^1$

素因数の和:18561

約数の個数: 32

約数和(自身を含む): 27633415680

約数和(自身を除く): 6849446375

約数列:

[1, 5, 11, 55, 89, 233, 445, 979, 1165, 2563, 4895, 12815, 18223, 20737, 91115, 103685, 200453, 228107, 1002265, 1140535, 1621847, 4245959, 8109235, 17840317, 21229795, 46705549, 89201585, 233527745, 377890351, 1889451755, 4156793861, 20783969305]

約数ペア:

[(1, 20783969305), (5, 4156793861), (11, 1889451755), (55, 377890351), (89, 233527745), (233, 89201585), (445, 46705549), (979, 21229795), (1165, 17840317), (2563, 8109235), (4895, 4245959), (12815, 1621847), (18223, 1140535), (20737, 1002265), (91115, 228107), (103685, 200453)]