20202116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8663}}^1$

素因数の和:8731

約数の個数: 24

約数和(自身を含む): 39299904

約数和(自身を除く): 19097788

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8663, 17326, 34652, 95293, 190586, 381172, 459139, 918278, 1836556, 5050529, 10101058, 20202116]

約数ペア:

[(1, 20202116), (2, 10101058), (4, 5050529), (11, 1836556), (22, 918278), (44, 459139), (53, 381172), (106, 190586), (212, 95293), (583, 34652), (1166, 17326), (2332, 8663)]