20172487918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{21323983}}^1$

素因数の和:21324039

約数の個数: 16

約数和(自身を含む): 33777190656

約数和(自身を除く): 13604702738

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 21323983, 42647966, 234563813, 469127626, 916931269, 1833862538, 10086243959, 20172487918]

約数ペア:

[(1, 20172487918), (2, 10086243959), (11, 1833862538), (22, 916931269), (43, 469127626), (86, 234563813), (473, 42647966), (946, 21323983)]