20178562894

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{85331}}^1$

素因数の和:85493

約数の個数: 48

約数和(自身を含む): 37354936320

約数和(自身を除く): 17176373426

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 127, 133, 254, 266, 889, 931, 1778, 1862, 2413, 4826, 6223, 12446, 16891, 33782, 85331, 118237, 170662, 236474, 597317, 1194634, 1621289, 3242578, 4181219, 8362438, 10837037, 11349023, 21674074, 22698046, 75859259, 79443161, 151718518, 158886322, 205903703, 411807406, 531014813, 1062029626, 1441325921, 2882651842, 10089281447, 20178562894]

約数ペア:

[(1, 20178562894), (2, 10089281447), (7, 2882651842), (14, 1441325921), (19, 1062029626), (38, 531014813), (49, 411807406), (98, 205903703), (127, 158886322), (133, 151718518), (254, 79443161), (266, 75859259), (889, 22698046), (931, 21674074), (1778, 11349023), (1862, 10837037), (2413, 8362438), (4826, 4181219), (6223, 3242578), (12446, 1621289), (16891, 1194634), (33782, 597317), (85331, 236474), (118237, 170662)]