20212990060

素因数分解:

$2^2\times 5^1\times {\mathrm{3217}}^1\times {\mathrm{314159}}^1$

素因数の和:317385

約数の個数: 24

約数和(自身を含む): 42460608960

約数和(自身を除く): 22247618900

約数列:

[1, 2, 4, 5, 10, 20, 3217, 6434, 12868, 16085, 32170, 64340, 314159, 628318, 1256636, 1570795, 3141590, 6283180, 1010649503, 2021299006, 4042598012, 5053247515, 10106495030, 20212990060]

約数ペア:

[(1, 20212990060), (2, 10106495030), (4, 5053247515), (5, 4042598012), (10, 2021299006), (20, 1010649503), (3217, 6283180), (6434, 3141590), (12868, 1570795), (16085, 1256636), (32170, 628318), (64340, 314159)]