20182071

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 34473600

約数和(自身を除く): 14291529

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 179, 273, 413, 537, 637, 767, 1239, 1253, 1911, 2301, 2327, 2891, 3759, 5369, 6981, 8673, 8771, 10561, 16107, 16289, 26313, 31683, 37583, 48867, 73927, 112749, 114023, 137293, 221781, 342069, 411879, 517489, 961051, 1552467, 2883153, 6727357, 20182071]

約数ペア:

[(1, 20182071), (3, 6727357), (7, 2883153), (13, 1552467), (21, 961051), (39, 517489), (49, 411879), (59, 342069), (91, 221781), (147, 137293), (177, 114023), (179, 112749), (273, 73927), (413, 48867), (537, 37583), (637, 31683), (767, 26313), (1239, 16289), (1253, 16107), (1911, 10561), (2301, 8771), (2327, 8673), (2891, 6981), (3759, 5369)]