20405890454

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{2803}}^1\times {\mathrm{77447}}^1$

素因数の和:80299

約数の個数: 16

約数和(自身を含む): 31271643648

約数和(自身を除く): 10865753194

約数列:

[1, 2, 47, 94, 2803, 5606, 77447, 131741, 154894, 263482, 3640009, 7280018, 217083941, 434167882, 10202945227, 20405890454]

約数ペア:

[(1, 20405890454), (2, 10202945227), (47, 434167882), (94, 217083941), (2803, 7280018), (5606, 3640009), (77447, 263482), (131741, 154894)]