20179460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{144139}}^1$

素因数の和:144155

約数の個数: 24

約数和(自身を含む): 48431040

約数和(自身を除く): 28251580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 144139, 288278, 576556, 720695, 1008973, 1441390, 2017946, 2882780, 4035892, 5044865, 10089730, 20179460]

約数ペア:

[(1, 20179460), (2, 10089730), (4, 5044865), (5, 4035892), (7, 2882780), (10, 2017946), (14, 1441390), (20, 1008973), (28, 720695), (35, 576556), (70, 288278), (140, 144139)]