20457350

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{17789}}^1$

素因数の和:17824

約数の個数: 24

約数和(自身を含む): 39707280

約数和(自身を除く): 19249930

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 230, 575, 1150, 17789, 35578, 88945, 177890, 409147, 444725, 818294, 889450, 2045735, 4091470, 10228675, 20457350]

約数ペア:

[(1, 20457350), (2, 10228675), (5, 4091470), (10, 2045735), (23, 889450), (25, 818294), (46, 444725), (50, 409147), (115, 177890), (230, 88945), (575, 35578), (1150, 17789)]