20144072

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1777}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 41071800

約数和(自身を除く): 20927728

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1777, 2834, 3554, 5668, 7108, 11336, 14216, 23101, 46202, 92404, 184808, 193693, 387386, 774772, 1549544, 2518009, 5036018, 10072036, 20144072]

約数ペア:

[(1, 20144072), (2, 10072036), (4, 5036018), (8, 2518009), (13, 1549544), (26, 774772), (52, 387386), (104, 193693), (109, 184808), (218, 92404), (436, 46202), (872, 23101), (1417, 14216), (1777, 11336), (2834, 7108), (3554, 5668)]