20648110

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{42139}}^1$

素因数の和:42160

約数の個数: 24

約数和(自身を含む): 43235640

約数和(自身を除く): 22587530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 42139, 84278, 210695, 294973, 421390, 589946, 1474865, 2064811, 2949730, 4129622, 10324055, 20648110]

約数ペア:

[(1, 20648110), (2, 10324055), (5, 4129622), (7, 2949730), (10, 2064811), (14, 1474865), (35, 589946), (49, 421390), (70, 294973), (98, 210695), (245, 84278), (490, 42139)]