20161243795

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{33547}}^1$

素因数の和:33800

約数の個数: 48

約数和(自身を含む): 30840542208

約数和(自身を除く): 10679298413

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 223, 245, 385, 539, 1115, 1561, 2453, 2695, 7805, 10927, 12265, 17171, 33547, 54635, 85855, 120197, 167735, 234829, 369017, 600985, 1174145, 1643803, 1845085, 2583119, 7480981, 8219015, 12915595, 18081833, 37404905, 52366867, 82290791, 90409165, 261834335, 366568069, 411453955, 576035537, 1832840345, 2880177685, 4032248759, 20161243795]

約数ペア:

[(1, 20161243795), (5, 4032248759), (7, 2880177685), (11, 1832840345), (35, 576035537), (49, 411453955), (55, 366568069), (77, 261834335), (223, 90409165), (245, 82290791), (385, 52366867), (539, 37404905), (1115, 18081833), (1561, 12915595), (2453, 8219015), (2695, 7480981), (7805, 2583119), (10927, 1845085), (12265, 1643803), (17171, 1174145), (33547, 600985), (54635, 369017), (85855, 234829), (120197, 167735)]