20731063705

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{109}}^1\times {\mathrm{28579}}^1$

素因数の和:28726

約数の個数: 32

約数和(自身を含む): 27615139200

約数和(自身を除く): 6884075495

約数列:

[1, 5, 11, 55, 109, 121, 545, 605, 1199, 1331, 5995, 6655, 13189, 28579, 65945, 142895, 145079, 314369, 725395, 1571845, 3115111, 3458059, 15575555, 17290295, 34266221, 38038649, 171331105, 190193245, 376928431, 1884642155, 4146212741, 20731063705]

約数ペア:

[(1, 20731063705), (5, 4146212741), (11, 1884642155), (55, 376928431), (109, 190193245), (121, 171331105), (545, 38038649), (605, 34266221), (1199, 17290295), (1331, 15575555), (5995, 3458059), (6655, 3115111), (13189, 1571845), (28579, 725395), (65945, 314369), (142895, 145079)]