20808211864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{823}}^1\times {\mathrm{6113}}^1$

素因数の和:7000

約数の個数: 64

約数和(自身を含む): 43527767040

約数和(自身を除く): 22719555176

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 823, 1034, 1646, 2068, 3292, 4136, 6113, 6584, 9053, 12226, 18106, 24452, 36212, 38681, 48904, 67243, 72424, 77362, 134486, 154724, 268972, 287311, 309448, 425491, 537944, 574622, 850982, 1149244, 1701964, 2298488, 3160421, 3403928, 5030999, 6320842, 10061998, 12641684, 20123996, 25283368, 40247992, 55340989, 110681978, 221363956, 236456953, 442727912, 472913906, 945827812, 1891655624, 2601026483, 5202052966, 10404105932, 20808211864]

約数ペア:

[(1, 20808211864), (2, 10404105932), (4, 5202052966), (8, 2601026483), (11, 1891655624), (22, 945827812), (44, 472913906), (47, 442727912), (88, 236456953), (94, 221363956), (188, 110681978), (376, 55340989), (517, 40247992), (823, 25283368), (1034, 20123996), (1646, 12641684), (2068, 10061998), (3292, 6320842), (4136, 5030999), (6113, 3403928), (6584, 3160421), (9053, 2298488), (12226, 1701964), (18106, 1149244), (24452, 850982), (36212, 574622), (38681, 537944), (48904, 425491), (67243, 309448), (72424, 287311), (77362, 268972), (134486, 154724)]