20454770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2837}}^1$

素因数の和:2954

約数の個数: 32

約数和(自身を含む): 42501888

約数和(自身を除く): 22047118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2837, 3605, 5674, 7210, 14185, 19859, 28370, 39718, 99295, 198590, 292211, 584422, 1461055, 2045477, 2922110, 4090954, 10227385, 20454770]

約数ペア:

[(1, 20454770), (2, 10227385), (5, 4090954), (7, 2922110), (10, 2045477), (14, 1461055), (35, 584422), (70, 292211), (103, 198590), (206, 99295), (515, 39718), (721, 28370), (1030, 19859), (1442, 14185), (2837, 7210), (3605, 5674)]