16866220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{120473}}^1$

素因数の和:120489

約数の個数: 24

約数和(自身を含む): 40479264

約数和(自身を除く): 23613044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 120473, 240946, 481892, 602365, 843311, 1204730, 1686622, 2409460, 3373244, 4216555, 8433110, 16866220]

約数ペア:

[(1, 16866220), (2, 8433110), (4, 4216555), (5, 3373244), (7, 2409460), (10, 1686622), (14, 1204730), (20, 843311), (28, 602365), (35, 481892), (70, 240946), (140, 120473)]