20194977178

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{697967}}^1$

素因数の和:698046

約数の個数: 32

約数和(自身を含む): 34373528064

約数和(自身を除く): 14178550886

約数列:

[1, 2, 17, 23, 34, 37, 46, 74, 391, 629, 782, 851, 1258, 1702, 14467, 28934, 697967, 1395934, 11865439, 16053241, 23730878, 25824779, 32106482, 51649558, 272905097, 439021243, 545810194, 593969917, 878042486, 1187939834, 10097488589, 20194977178]

約数ペア:

[(1, 20194977178), (2, 10097488589), (17, 1187939834), (23, 878042486), (34, 593969917), (37, 545810194), (46, 439021243), (74, 272905097), (391, 51649558), (629, 32106482), (782, 25824779), (851, 23730878), (1258, 16053241), (1702, 11865439), (14467, 1395934), (28934, 697967)]