20225695

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 28892160

約数和(自身を除く): 8666465

約数列:

[1, 5, 7, 35, 43, 89, 151, 215, 301, 445, 623, 755, 1057, 1505, 3115, 3827, 5285, 6493, 13439, 19135, 26789, 32465, 45451, 67195, 94073, 133945, 227255, 470365, 577877, 2889385, 4045139, 20225695]

約数ペア:

[(1, 20225695), (5, 4045139), (7, 2889385), (35, 577877), (43, 470365), (89, 227255), (151, 133945), (215, 94073), (301, 67195), (445, 45451), (623, 32465), (755, 26789), (1057, 19135), (1505, 13439), (3115, 6493), (3827, 5285)]