20319454

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{2381}}^1$

素因数の和:2651

約数の個数: 16

約数和(自身を含む): 32414256

約数和(自身を除く): 12094802

約数列:

[1, 2, 17, 34, 251, 502, 2381, 4267, 4762, 8534, 40477, 80954, 597631, 1195262, 10159727, 20319454]

約数ペア:

[(1, 20319454), (2, 10159727), (17, 1195262), (34, 597631), (251, 80954), (502, 40477), (2381, 8534), (4267, 4762)]