20463904

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9007}}^1$

素因数の和:9088

約数の個数: 24

約数和(自身を含む): 40860288

約数和(自身を除く): 20396384

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9007, 18014, 36028, 72056, 144112, 288224, 639497, 1278994, 2557988, 5115976, 10231952, 20463904]

約数ペア:

[(1, 20463904), (2, 10231952), (4, 5115976), (8, 2557988), (16, 1278994), (32, 639497), (71, 288224), (142, 144112), (284, 72056), (568, 36028), (1136, 18014), (2272, 9007)]