20565266

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 32

約数和(自身を含む): 33948288

約数和(自身を除く): 13383022

約数列:

[1, 2, 23, 37, 43, 46, 74, 86, 281, 562, 851, 989, 1591, 1702, 1978, 3182, 6463, 10397, 12083, 12926, 20794, 24166, 36593, 73186, 239131, 277909, 447071, 478262, 555818, 894142, 10282633, 20565266]

約数ペア:

[(1, 20565266), (2, 10282633), (23, 894142), (37, 555818), (43, 478262), (46, 447071), (74, 277909), (86, 239131), (281, 73186), (562, 36593), (851, 24166), (989, 20794), (1591, 12926), (1702, 12083), (1978, 10397), (3182, 6463)]