20846510

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 39424320

約数和(自身を除く): 18577810

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 233, 389, 466, 778, 1165, 1945, 2330, 3890, 5359, 8947, 10718, 17894, 26795, 44735, 53590, 89470, 90637, 181274, 453185, 906370, 2084651, 4169302, 10423255, 20846510]

約数ペア:

[(1, 20846510), (2, 10423255), (5, 4169302), (10, 2084651), (23, 906370), (46, 453185), (115, 181274), (230, 90637), (233, 89470), (389, 53590), (466, 44735), (778, 26795), (1165, 17894), (1945, 10718), (2330, 8947), (3890, 5359)]