20173465240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2390221}}^1$

素因数の和:2390443

約数の個数: 32

約数和(自身を含む): 45605435760

約数和(自身を除く): 25431970520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8440, 2390221, 4780442, 9560884, 11951105, 19121768, 23902210, 47804420, 95608840, 504336631, 1008673262, 2017346524, 2521683155, 4034693048, 5043366310, 10086732620, 20173465240]

約数ペア:

[(1, 20173465240), (2, 10086732620), (4, 5043366310), (5, 4034693048), (8, 2521683155), (10, 2017346524), (20, 1008673262), (40, 504336631), (211, 95608840), (422, 47804420), (844, 23902210), (1055, 19121768), (1688, 11951105), (2110, 9560884), (4220, 4780442), (8440, 2390221)]