20349814520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1\times {\mathrm{2521}}^1$

素因数の和:2893

約数の個数: 128

約数和(自身を含む): 52993474560

約数和(自身を除く): 32643660040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 227, 254, 280, 454, 508, 635, 889, 908, 1016, 1135, 1270, 1589, 1778, 1816, 2270, 2521, 2540, 3178, 3556, 4445, 4540, 5042, 5080, 6356, 7112, 7945, 8890, 9080, 10084, 12605, 12712, 15890, 17647, 17780, 20168, 25210, 28829, 31780, 35294, 35560, 50420, 57658, 63560, 70588, 88235, 100840, 115316, 141176, 144145, 176470, 201803, 230632, 288290, 320167, 352940, 403606, 572267, 576580, 640334, 705880, 807212, 1009015, 1144534, 1153160, 1280668, 1600835, 1614424, 2018030, 2241169, 2289068, 2561336, 2861335, 3201670, 4005869, 4036060, 4482338, 4578136, 5722670, 6403340, 8011738, 8072120, 8964676, 11205845, 11445340, 12806680, 16023476, 17929352, 20029345, 22411690, 22890680, 32046952, 40058690, 44823380, 72677909, 80117380, 89646760, 145355818, 160234760, 290711636, 363389545, 508745363, 581423272, 726779090, 1017490726, 1453558180, 2034981452, 2543726815, 2907116360, 4069962904, 5087453630, 10174907260, 20349814520]

約数ペア:

[(1, 20349814520), (2, 10174907260), (4, 5087453630), (5, 4069962904), (7, 2907116360), (8, 2543726815), (10, 2034981452), (14, 1453558180), (20, 1017490726), (28, 726779090), (35, 581423272), (40, 508745363), (56, 363389545), (70, 290711636), (127, 160234760), (140, 145355818), (227, 89646760), (254, 80117380), (280, 72677909), (454, 44823380), (508, 40058690), (635, 32046952), (889, 22890680), (908, 22411690), (1016, 20029345), (1135, 17929352), (1270, 16023476), (1589, 12806680), (1778, 11445340), (1816, 11205845), (2270, 8964676), (2521, 8072120), (2540, 8011738), (3178, 6403340), (3556, 5722670), (4445, 4578136), (4540, 4482338), (5042, 4036060), (5080, 4005869), (6356, 3201670), (7112, 2861335), (7945, 2561336), (8890, 2289068), (9080, 2241169), (10084, 2018030), (12605, 1614424), (12712, 1600835), (15890, 1280668), (17647, 1153160), (17780, 1144534), (20168, 1009015), (25210, 807212), (28829, 705880), (31780, 640334), (35294, 576580), (35560, 572267), (50420, 403606), (57658, 352940), (63560, 320167), (70588, 288290), (88235, 230632), (100840, 201803), (115316, 176470), (141176, 144145)]