20640006

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1823}}^1$

素因数の和:1885

約数の個数: 48

約数和(自身を含む): 48657024

約数和(自身を除く): 28017018

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 37, 51, 74, 102, 111, 153, 222, 306, 333, 629, 666, 1258, 1823, 1887, 3646, 3774, 5469, 5661, 10938, 11322, 16407, 30991, 32814, 61982, 67451, 92973, 134902, 185946, 202353, 278919, 404706, 557838, 607059, 1146667, 1214118, 2293334, 3440001, 6880002, 10320003, 20640006]

約数ペア:

[(1, 20640006), (2, 10320003), (3, 6880002), (6, 3440001), (9, 2293334), (17, 1214118), (18, 1146667), (34, 607059), (37, 557838), (51, 404706), (74, 278919), (102, 202353), (111, 185946), (153, 134902), (222, 92973), (306, 67451), (333, 61982), (629, 32814), (666, 30991), (1258, 16407), (1823, 11322), (1887, 10938), (3646, 5661), (3774, 5469)]