20366983

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{263}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 26966016

約数和(自身を除く): 6599033

約数列:

[1, 7, 13, 23, 37, 91, 161, 259, 263, 299, 481, 851, 1841, 2093, 3367, 3419, 5957, 6049, 9731, 11063, 23933, 42343, 68117, 77441, 78637, 126503, 223813, 550459, 885521, 1566691, 2909569, 20366983]

約数ペア:

[(1, 20366983), (7, 2909569), (13, 1566691), (23, 885521), (37, 550459), (91, 223813), (161, 126503), (259, 78637), (263, 77441), (299, 68117), (481, 42343), (851, 23933), (1841, 11063), (2093, 9731), (3367, 6049), (3419, 5957)]