20913822

素因数分解:

$2^1\times 3^3\times {\mathrm{251}}^1\times {\mathrm{1543}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 46690560

約数和(自身を除く): 25776738

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 251, 502, 753, 1506, 1543, 2259, 3086, 4518, 4629, 6777, 9258, 13554, 13887, 27774, 41661, 83322, 387293, 774586, 1161879, 2323758, 3485637, 6971274, 10456911, 20913822]

約数ペア:

[(1, 20913822), (2, 10456911), (3, 6971274), (6, 3485637), (9, 2323758), (18, 1161879), (27, 774586), (54, 387293), (251, 83322), (502, 41661), (753, 27774), (1506, 13887), (1543, 13554), (2259, 9258), (3086, 6777), (4518, 4629)]