20752864

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:176

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 28235936

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 29, 32, 38, 44, 58, 76, 88, 107, 116, 152, 176, 209, 214, 232, 304, 319, 352, 418, 428, 464, 551, 608, 638, 836, 856, 928, 1102, 1177, 1276, 1672, 1712, 2033, 2204, 2354, 2552, 3103, 3344, 3424, 4066, 4408, 4708, 5104, 6061, 6206, 6688, 8132, 8816, 9416, 10208, 12122, 12412, 16264, 17632, 18832, 22363, 24244, 24824, 32528, 34133, 37664, 44726, 48488, 49648, 58957, 65056, 68266, 89452, 96976, 99296, 117914, 136532, 178904, 193952, 235828, 273064, 357808, 471656, 546128, 648527, 715616, 943312, 1092256, 1297054, 1886624, 2594108, 5188216, 10376432, 20752864]

約数ペア:

[(1, 20752864), (2, 10376432), (4, 5188216), (8, 2594108), (11, 1886624), (16, 1297054), (19, 1092256), (22, 943312), (29, 715616), (32, 648527), (38, 546128), (44, 471656), (58, 357808), (76, 273064), (88, 235828), (107, 193952), (116, 178904), (152, 136532), (176, 117914), (209, 99296), (214, 96976), (232, 89452), (304, 68266), (319, 65056), (352, 58957), (418, 49648), (428, 48488), (464, 44726), (551, 37664), (608, 34133), (638, 32528), (836, 24824), (856, 24244), (928, 22363), (1102, 18832), (1177, 17632), (1276, 16264), (1672, 12412), (1712, 12122), (2033, 10208), (2204, 9416), (2354, 8816), (2552, 8132), (3103, 6688), (3344, 6206), (3424, 6061), (4066, 5104), (4408, 4708)]