20252984

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1087}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 40538880

約数和(自身を除く): 20285896

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137, 274, 548, 1087, 1096, 2174, 2329, 4348, 4658, 8696, 9316, 18479, 18632, 36958, 73916, 147832, 148919, 297838, 595676, 1191352, 2531623, 5063246, 10126492, 20252984]

約数ペア:

[(1, 20252984), (2, 10126492), (4, 5063246), (8, 2531623), (17, 1191352), (34, 595676), (68, 297838), (136, 148919), (137, 147832), (274, 73916), (548, 36958), (1087, 18632), (1096, 18479), (2174, 9316), (2329, 8696), (4348, 4658)]