20163340760

素因数分解:

$2^3\times 5^1\times {\mathrm{27529}}^1\times {\mathrm{18311}}^1$

素因数の和:45851

約数の個数: 32

約数和(自身を含む): 45371642400

約数和(自身を除く): 25208301640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18311, 27529, 36622, 55058, 73244, 91555, 110116, 137645, 146488, 183110, 220232, 275290, 366220, 550580, 732440, 1101160, 504083519, 1008167038, 2016334076, 2520417595, 4032668152, 5040835190, 10081670380, 20163340760]

約数ペア:

[(1, 20163340760), (2, 10081670380), (4, 5040835190), (5, 4032668152), (8, 2520417595), (10, 2016334076), (20, 1008167038), (40, 504083519), (18311, 1101160), (27529, 732440), (36622, 550580), (55058, 366220), (73244, 275290), (91555, 220232), (110116, 183110), (137645, 146488)]