20262678

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{409}}^1$

素因数の和:796

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 22246122

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 359, 409, 718, 818, 1077, 1227, 2154, 2454, 8257, 9407, 16514, 18814, 24771, 28221, 49542, 56442, 146831, 293662, 440493, 880986, 3377113, 6754226, 10131339, 20262678]

約数ペア:

[(1, 20262678), (2, 10131339), (3, 6754226), (6, 3377113), (23, 880986), (46, 440493), (69, 293662), (138, 146831), (359, 56442), (409, 49542), (718, 28221), (818, 24771), (1077, 18814), (1227, 16514), (2154, 9407), (2454, 8257)]