20840612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2239}}^1$

素因数の和:2435

約数の個数: 24

約数和(自身を含む): 39513600

約数和(自身を除く): 18672988

約数列:

[1, 2, 4, 13, 26, 52, 179, 358, 716, 2239, 2327, 4478, 4654, 8956, 9308, 29107, 58214, 116428, 400781, 801562, 1603124, 5210153, 10420306, 20840612]

約数ペア:

[(1, 20840612), (2, 10420306), (4, 5210153), (13, 1603124), (26, 801562), (52, 400781), (179, 116428), (358, 58214), (716, 29107), (2239, 9308), (2327, 8956), (4478, 4654)]