20510147174

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{680993}}^1$

素因数の和:681080

約数の個数: 24

約数和(自身を含む): 34493708088

約数和(自身を除く): 13983560914

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 1369, 2738, 15059, 30118, 680993, 1361986, 7490923, 14981846, 25196741, 50393482, 277164151, 554328302, 932279417, 1864558834, 10255073587, 20510147174]

約数ペア:

[(1, 20510147174), (2, 10255073587), (11, 1864558834), (22, 932279417), (37, 554328302), (74, 277164151), (407, 50393482), (814, 25196741), (1369, 14981846), (2738, 7490923), (15059, 1361986), (30118, 680993)]