20913946

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{23929}}^1$

素因数の和:23973

約数の個数: 16

約数和(自身を含む): 34459200

約数和(自身を除く): 13545254

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 23929, 47858, 454651, 550367, 909302, 1100734, 10456973, 20913946]

約数ペア:

[(1, 20913946), (2, 10456973), (19, 1100734), (23, 909302), (38, 550367), (46, 454651), (437, 47858), (874, 23929)]