20196185

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2879}}^1$

素因数の和:2968

約数の個数: 16

約数和(自身を含む): 25712640

約数和(自身を除く): 5516455

約数列:

[1, 5, 23, 61, 115, 305, 1403, 2879, 7015, 14395, 66217, 175619, 331085, 878095, 4039237, 20196185]

約数ペア:

[(1, 20196185), (5, 4039237), (23, 878095), (61, 331085), (115, 175619), (305, 66217), (1403, 14395), (2879, 7015)]