20945030

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{110237}}^1$

素因数の和:110263

約数の個数: 16

約数和(自身を含む): 39685680

約数和(自身を除く): 18740650

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 110237, 220474, 551185, 1102370, 2094503, 4189006, 10472515, 20945030]

約数ペア:

[(1, 20945030), (2, 10472515), (5, 4189006), (10, 2094503), (19, 1102370), (38, 551185), (95, 220474), (190, 110237)]