20843056

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100207}}^1$

素因数の和:100228

約数の個数: 20

約数和(自身を含む): 43490272

約数和(自身を除く): 22647216

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100207, 200414, 400828, 801656, 1302691, 1603312, 2605382, 5210764, 10421528, 20843056]

約数ペア:

[(1, 20843056), (2, 10421528), (4, 5210764), (8, 2605382), (13, 1603312), (16, 1302691), (26, 801656), (52, 400828), (104, 200414), (208, 100207)]