20123013537

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{429731}}^1$

素因数の和:429802

約数の個数: 36

約数和(自身を含む): 32692291632

約数和(自身を除く): 12569278095

約数列:

[1, 3, 9, 11, 33, 43, 99, 121, 129, 363, 387, 473, 1089, 1419, 4257, 5203, 15609, 46827, 429731, 1289193, 3867579, 4727041, 14181123, 18478433, 42543369, 51997451, 55435299, 155992353, 166305897, 203262763, 467977059, 609788289, 1829364867, 2235890393, 6707671179, 20123013537]

約数ペア:

[(1, 20123013537), (3, 6707671179), (9, 2235890393), (11, 1829364867), (33, 609788289), (43, 467977059), (99, 203262763), (121, 166305897), (129, 155992353), (363, 55435299), (387, 51997451), (473, 42543369), (1089, 18478433), (1419, 14181123), (4257, 4727041), (5203, 3867579), (15609, 1289193), (46827, 429731)]