20512024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1553}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 41771520

約数和(自身を除く): 21259496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1553, 1651, 3106, 3302, 6212, 6604, 12424, 13208, 20189, 40378, 80756, 161512, 197231, 394462, 788924, 1577848, 2564003, 5128006, 10256012, 20512024]

約数ペア:

[(1, 20512024), (2, 10256012), (4, 5128006), (8, 2564003), (13, 1577848), (26, 788924), (52, 394462), (104, 197231), (127, 161512), (254, 80756), (508, 40378), (1016, 20189), (1553, 13208), (1651, 12424), (3106, 6604), (3302, 6212)]