20072856850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193847}}^1$

素因数の和:193987

約数の個数: 48

約数和(自身を含む): 39661300800

約数和(自身を除く): 19588443950

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 109, 190, 218, 475, 545, 950, 1090, 2071, 2725, 4142, 5450, 10355, 20710, 51775, 103550, 193847, 387694, 969235, 1938470, 3683093, 4846175, 7366186, 9692350, 18415465, 21129323, 36830930, 42258646, 92077325, 105646615, 184154650, 211293230, 401457137, 528233075, 802914274, 1056466150, 2007285685, 4014571370, 10036428425, 20072856850]

約数ペア:

[(1, 20072856850), (2, 10036428425), (5, 4014571370), (10, 2007285685), (19, 1056466150), (25, 802914274), (38, 528233075), (50, 401457137), (95, 211293230), (109, 184154650), (190, 105646615), (218, 92077325), (475, 42258646), (545, 36830930), (950, 21129323), (1090, 18415465), (2071, 9692350), (2725, 7366186), (4142, 4846175), (5450, 3683093), (10355, 1938470), (20710, 969235), (51775, 387694), (103550, 193847)]