20019347488

素因数分解:

$2^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{2273}}^1$

素因数の和:2475

約数の個数: 144

約数和(自身を含む): 47329753464

約数和(自身を除く): 27310405976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 137, 164, 196, 224, 274, 287, 328, 392, 548, 574, 656, 784, 959, 1096, 1148, 1312, 1568, 1918, 2009, 2192, 2273, 2296, 3836, 4018, 4384, 4546, 4592, 5617, 6713, 7672, 8036, 9092, 9184, 11234, 13426, 15344, 15911, 16072, 18184, 22468, 26852, 30688, 31822, 32144, 36368, 39319, 44936, 53704, 63644, 64288, 72736, 78638, 89872, 93193, 107408, 111377, 127288, 157276, 179744, 186386, 214816, 222754, 254576, 275233, 311401, 314552, 372772, 445508, 509152, 550466, 622802, 629104, 652351, 745544, 891016, 1100932, 1245604, 1258208, 1304702, 1491088, 1782032, 2179807, 2201864, 2491208, 2609404, 2982176, 3564064, 4359614, 4403728, 4566457, 4982416, 5218808, 8719228, 8807456, 9132914, 9964832, 10437616, 12767441, 15258649, 17438456, 18265828, 20875232, 25534882, 30517298, 34876912, 36531656, 51069764, 61034596, 69753824, 73063312, 89372087, 102139528, 122069192, 146126624, 178744174, 204279056, 244138384, 357488348, 408558112, 488276768, 625604609, 714976696, 1251209218, 1429953392, 2502418436, 2859906784, 5004836872, 10009673744, 20019347488]

約数ペア:

[(1, 20019347488), (2, 10009673744), (4, 5004836872), (7, 2859906784), (8, 2502418436), (14, 1429953392), (16, 1251209218), (28, 714976696), (32, 625604609), (41, 488276768), (49, 408558112), (56, 357488348), (82, 244138384), (98, 204279056), (112, 178744174), (137, 146126624), (164, 122069192), (196, 102139528), (224, 89372087), (274, 73063312), (287, 69753824), (328, 61034596), (392, 51069764), (548, 36531656), (574, 34876912), (656, 30517298), (784, 25534882), (959, 20875232), (1096, 18265828), (1148, 17438456), (1312, 15258649), (1568, 12767441), (1918, 10437616), (2009, 9964832), (2192, 9132914), (2273, 8807456), (2296, 8719228), (3836, 5218808), (4018, 4982416), (4384, 4566457), (4546, 4403728), (4592, 4359614), (5617, 3564064), (6713, 2982176), (7672, 2609404), (8036, 2491208), (9092, 2201864), (9184, 2179807), (11234, 1782032), (13426, 1491088), (15344, 1304702), (15911, 1258208), (16072, 1245604), (18184, 1100932), (22468, 891016), (26852, 745544), (30688, 652351), (31822, 629104), (32144, 622802), (36368, 550466), (39319, 509152), (44936, 445508), (53704, 372772), (63644, 314552), (64288, 311401), (72736, 275233), (78638, 254576), (89872, 222754), (93193, 214816), (107408, 186386), (111377, 179744), (127288, 157276)]