20597164

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4937}}^1$

素因数の和:5097

約数の個数: 24

約数和(自身を含む): 41479200

約数和(自身を除く): 20882036

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4937, 9874, 19748, 34559, 69118, 138236, 735613, 1471226, 2942452, 5149291, 10298582, 20597164]

約数ペア:

[(1, 20597164), (2, 10298582), (4, 5149291), (7, 2942452), (14, 1471226), (28, 735613), (149, 138236), (298, 69118), (596, 34559), (1043, 19748), (2086, 9874), (4172, 4937)]