20904402

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 42840000

約数和(自身を除く): 21935598

約数列:

[1, 2, 3, 6, 67, 134, 149, 201, 298, 349, 402, 447, 698, 894, 1047, 2094, 9983, 19966, 23383, 29949, 46766, 52001, 59898, 70149, 104002, 140298, 156003, 312006, 3484067, 6968134, 10452201, 20904402]

約数ペア:

[(1, 20904402), (2, 10452201), (3, 6968134), (6, 3484067), (67, 312006), (134, 156003), (149, 140298), (201, 104002), (298, 70149), (349, 59898), (402, 52001), (447, 46766), (698, 29949), (894, 23383), (1047, 19966), (2094, 9983)]