20197057

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 22176000

約数和(自身を除く): 1978943

約数列:

[1, 19, 43, 59, 419, 817, 1121, 2537, 7961, 18017, 24721, 48203, 342323, 469699, 1063003, 20197057]

約数ペア:

[(1, 20197057), (19, 1063003), (43, 469699), (59, 342323), (419, 48203), (817, 24721), (1121, 18017), (2537, 7961)]