20877446989

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2243}}^1$

素因数の和:2434

約数の個数: 48

約数和(自身を含む): 26189526528

約数和(自身を除く): 5312079539

約数列:

[1, 7, 17, 43, 107, 119, 289, 301, 731, 749, 1819, 2023, 2243, 4601, 5117, 12427, 12733, 15701, 30923, 32207, 38131, 78217, 86989, 96449, 216461, 240001, 266917, 547519, 648227, 675143, 1329689, 1639633, 1680007, 4080017, 4537589, 9307823, 10320043, 11477431, 27873761, 28560119, 69360289, 72240301, 175440731, 195116327, 485522023, 1228085117, 2982492427, 20877446989]

約数ペア:

[(1, 20877446989), (7, 2982492427), (17, 1228085117), (43, 485522023), (107, 195116327), (119, 175440731), (289, 72240301), (301, 69360289), (731, 28560119), (749, 27873761), (1819, 11477431), (2023, 10320043), (2243, 9307823), (4601, 4537589), (5117, 4080017), (12427, 1680007), (12733, 1639633), (15701, 1329689), (30923, 675143), (32207, 648227), (38131, 547519), (78217, 266917), (86989, 240001), (96449, 216461)]