20199006485

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19900499}}^1$

素因数の和:19900540

約数の個数: 16

約数和(自身を含む): 28656720000

約数和(自身を除く): 8457713515

約数列:

[1, 5, 7, 29, 35, 145, 203, 1015, 19900499, 99502495, 139303493, 577114471, 696517465, 2885572355, 4039801297, 20199006485]

約数ペア:

[(1, 20199006485), (5, 4039801297), (7, 2885572355), (29, 696517465), (35, 577114471), (145, 139303493), (203, 99502495), (1015, 19900499)]