20169985628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{43151}}^1$

素因数の和:43358

約数の個数: 48

約数和(自身を含む): 38821265280

約数和(自身を除く): 18651279652

約数列:

[1, 2, 4, 13, 26, 52, 89, 101, 178, 202, 356, 404, 1157, 1313, 2314, 2626, 4628, 5252, 8989, 17978, 35956, 43151, 86302, 116857, 172604, 233714, 467428, 560963, 1121926, 2243852, 3840439, 4358251, 7680878, 8716502, 15361756, 17433004, 49925707, 56657263, 99851414, 113314526, 199702828, 226629052, 387884339, 775768678, 1551537356, 5042496407, 10084992814, 20169985628]

約数ペア:

[(1, 20169985628), (2, 10084992814), (4, 5042496407), (13, 1551537356), (26, 775768678), (52, 387884339), (89, 226629052), (101, 199702828), (178, 113314526), (202, 99851414), (356, 56657263), (404, 49925707), (1157, 17433004), (1313, 15361756), (2314, 8716502), (2626, 7680878), (4628, 4358251), (5252, 3840439), (8989, 2243852), (17978, 1121926), (35956, 560963), (43151, 467428), (86302, 233714), (116857, 172604)]