20123258309

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2196143}}^1$

素因数の和:2196185

約数の個数: 24

約数和(自身を含む): 27038924928

約数和(自身を除く): 6915666619

約数列:

[1, 7, 11, 17, 49, 77, 119, 187, 539, 833, 1309, 9163, 2196143, 15373001, 24157573, 37334431, 107611007, 169103011, 261341017, 410678741, 1183721077, 1829387119, 2874751187, 20123258309]

約数ペア:

[(1, 20123258309), (7, 2874751187), (11, 1829387119), (17, 1183721077), (49, 410678741), (77, 261341017), (119, 169103011), (187, 107611007), (539, 37334431), (833, 24157573), (1309, 15373001), (9163, 2196143)]