20579447812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{727}}^1\times {\mathrm{1259}}^1$

素因数の和:2081

約数の個数: 96

約数和(自身を含む): 45614499840

約数和(自身を除く): 25035052028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 73, 77, 146, 154, 292, 308, 511, 727, 803, 1022, 1259, 1454, 1606, 2044, 2518, 2908, 3212, 5036, 5089, 5621, 7997, 8813, 10178, 11242, 13849, 15994, 17626, 20356, 22484, 27698, 31988, 35252, 53071, 55396, 55979, 91907, 96943, 106142, 111958, 183814, 193886, 212284, 223916, 367628, 371497, 387772, 583781, 643349, 742994, 915293, 1010977, 1167562, 1286698, 1485988, 1830586, 2021954, 2335124, 2573396, 3661172, 4043908, 4086467, 6407051, 7076839, 8172934, 10068223, 12814102, 14153678, 16345868, 20136446, 25628204, 28307356, 40272892, 66816389, 70477561, 133632778, 140955122, 267265556, 281910244, 467714723, 734980279, 935429446, 1469960558, 1870858892, 2939921116, 5144861953, 10289723906, 20579447812]

約数ペア:

[(1, 20579447812), (2, 10289723906), (4, 5144861953), (7, 2939921116), (11, 1870858892), (14, 1469960558), (22, 935429446), (28, 734980279), (44, 467714723), (73, 281910244), (77, 267265556), (146, 140955122), (154, 133632778), (292, 70477561), (308, 66816389), (511, 40272892), (727, 28307356), (803, 25628204), (1022, 20136446), (1259, 16345868), (1454, 14153678), (1606, 12814102), (2044, 10068223), (2518, 8172934), (2908, 7076839), (3212, 6407051), (5036, 4086467), (5089, 4043908), (5621, 3661172), (7997, 2573396), (8813, 2335124), (10178, 2021954), (11242, 1830586), (13849, 1485988), (15994, 1286698), (17626, 1167562), (20356, 1010977), (22484, 915293), (27698, 742994), (31988, 643349), (35252, 583781), (53071, 387772), (55396, 371497), (55979, 367628), (91907, 223916), (96943, 212284), (106142, 193886), (111958, 183814)]