20402550981

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{3733}}^1\times {\mathrm{7687}}^1$

素因数の和:11505

約数の個数: 24

約数和(自身を含む): 29855271680

約数和(自身を除く): 9452720699

約数列:

[1, 3, 9, 79, 237, 711, 3733, 7687, 11199, 23061, 33597, 69183, 294907, 607273, 884721, 1821819, 2654163, 5465457, 28695571, 86086713, 258260139, 2266950109, 6800850327, 20402550981]

約数ペア:

[(1, 20402550981), (3, 6800850327), (9, 2266950109), (79, 258260139), (237, 86086713), (711, 28695571), (3733, 5465457), (7687, 2654163), (11199, 1821819), (23061, 884721), (33597, 607273), (69183, 294907)]