20512134951

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12685303}}^1$

素因数の和:12685331

約数の個数: 24

約数和(自身を含む): 34706991744

約数和(自身を除く): 14194856793

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12685303, 38055909, 88797121, 139538333, 266391363, 418614999, 621579847, 976768331, 1864739541, 2930304993, 6837378317, 20512134951]

約数ペア:

[(1, 20512134951), (3, 6837378317), (7, 2930304993), (11, 1864739541), (21, 976768331), (33, 621579847), (49, 418614999), (77, 266391363), (147, 139538333), (231, 88797121), (539, 38055909), (1617, 12685303)]