20199582005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{12853}}^1$

素因数の和:13181

約数の個数: 32

約数和(自身を含む): 25987703040

約数和(自身を除く): 5788121035

約数列:

[1, 5, 19, 71, 95, 233, 355, 1165, 1349, 4427, 6745, 12853, 16543, 22135, 64265, 82715, 244207, 314317, 912563, 1221035, 1571585, 2994749, 4562815, 14973745, 17338697, 56900231, 86693485, 212627179, 284501155, 1063135895, 4039916401, 20199582005]

約数ペア:

[(1, 20199582005), (5, 4039916401), (19, 1063135895), (71, 284501155), (95, 212627179), (233, 86693485), (355, 56900231), (1165, 17338697), (1349, 14973745), (4427, 4562815), (6745, 2994749), (12853, 1571585), (16543, 1221035), (22135, 912563), (64265, 314317), (82715, 244207)]