20791696

素因数分解:

$2^4\times {\mathrm{557}}^1\times {\mathrm{2333}}^1$

素因数の和:2898

約数の個数: 20

約数和(自身を含む): 40373532

約数和(自身を除く): 19581836

約数列:

[1, 2, 4, 8, 16, 557, 1114, 2228, 2333, 4456, 4666, 8912, 9332, 18664, 37328, 1299481, 2598962, 5197924, 10395848, 20791696]

約数ペア:

[(1, 20791696), (2, 10395848), (4, 5197924), (8, 2598962), (16, 1299481), (557, 37328), (1114, 18664), (2228, 9332), (2333, 8912), (4456, 4666)]