20191677

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 11327043

約数列:

[1, 3, 11, 23, 33, 37, 69, 111, 253, 407, 719, 759, 851, 1221, 2157, 2553, 7909, 9361, 16537, 23727, 26603, 28083, 49611, 79809, 181907, 292633, 545721, 611869, 877899, 1835607, 6730559, 20191677]

約数ペア:

[(1, 20191677), (3, 6730559), (11, 1835607), (23, 877899), (33, 611869), (37, 545721), (69, 292633), (111, 181907), (253, 79809), (407, 49611), (719, 28083), (759, 26603), (851, 23727), (1221, 16537), (2157, 9361), (2553, 7909)]