20382156

素因数分解:

$2^2\times 3^2\times {\mathrm{257}}^1\times {\mathrm{2203}}^1$

素因数の和:2470

約数の個数: 36

約数和(自身を含む): 51745512

約数和(自身を除く): 31363356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 257, 514, 771, 1028, 1542, 2203, 2313, 3084, 4406, 4626, 6609, 8812, 9252, 13218, 19827, 26436, 39654, 79308, 566171, 1132342, 1698513, 2264684, 3397026, 5095539, 6794052, 10191078, 20382156]

約数ペア:

[(1, 20382156), (2, 10191078), (3, 6794052), (4, 5095539), (6, 3397026), (9, 2264684), (12, 1698513), (18, 1132342), (36, 566171), (257, 79308), (514, 39654), (771, 26436), (1028, 19827), (1542, 13218), (2203, 9252), (2313, 8812), (3084, 6609), (4406, 4626)]