20147673266

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1\times {\mathrm{1087}}^1$

素因数の和:1839

約数の個数: 64

約数和(自身を含む): 36322836480

約数和(自身を除く): 16175163214

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 643, 994, 1087, 1286, 2059, 2174, 4118, 4501, 7609, 9002, 14413, 15218, 18647, 28826, 31523, 37294, 45653, 63046, 77177, 91306, 130529, 154354, 220661, 261058, 319571, 441322, 540239, 639142, 698941, 1080478, 1323937, 1397882, 2238133, 2647874, 4476266, 4892587, 9267559, 9785174, 15666931, 18535118, 20269289, 31333862, 40538578, 49624811, 99249622, 141885023, 283770046, 347373677, 694747354, 1439119519, 2878239038, 10073836633, 20147673266]

約数ペア:

[(1, 20147673266), (2, 10073836633), (7, 2878239038), (14, 1439119519), (29, 694747354), (58, 347373677), (71, 283770046), (142, 141885023), (203, 99249622), (406, 49624811), (497, 40538578), (643, 31333862), (994, 20269289), (1087, 18535118), (1286, 15666931), (2059, 9785174), (2174, 9267559), (4118, 4892587), (4501, 4476266), (7609, 2647874), (9002, 2238133), (14413, 1397882), (15218, 1323937), (18647, 1080478), (28826, 698941), (31523, 639142), (37294, 540239), (45653, 441322), (63046, 319571), (77177, 261058), (91306, 220661), (130529, 154354)]