20026090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3919}}^1$

素因数の和:4006

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 21745430

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3919, 5110, 7838, 19595, 27433, 39190, 54866, 137165, 274330, 286087, 572174, 1430435, 2002609, 2860870, 4005218, 10013045, 20026090]

約数ペア:

[(1, 20026090), (2, 10013045), (5, 4005218), (7, 2860870), (10, 2002609), (14, 1430435), (35, 572174), (70, 286087), (73, 274330), (146, 137165), (365, 54866), (511, 39190), (730, 27433), (1022, 19595), (2555, 7838), (3919, 5110)]