202147420

素因数分解:

$2^2\times 5^1\times {\mathrm{1303}}^1\times {\mathrm{7757}}^1$

素因数の和:9069

約数の個数: 24

約数和(自身を含む): 424890144

約数和(自身を除く): 222742724

約数列:

[1, 2, 4, 5, 10, 20, 1303, 2606, 5212, 6515, 7757, 13030, 15514, 26060, 31028, 38785, 77570, 155140, 10107371, 20214742, 40429484, 50536855, 101073710, 202147420]

約数ペア:

[(1, 202147420), (2, 101073710), (4, 50536855), (5, 40429484), (10, 20214742), (20, 10107371), (1303, 155140), (2606, 77570), (5212, 38785), (6515, 31028), (7757, 26060), (13030, 15514)]