20181879032

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1\times {\mathrm{557}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 45537085440

約数和(自身を除く): 25355206408

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 43, 56, 82, 86, 164, 172, 287, 301, 328, 344, 367, 557, 574, 602, 734, 1114, 1148, 1204, 1468, 1763, 2228, 2296, 2408, 2569, 2936, 3526, 3899, 4456, 5138, 7052, 7798, 10276, 12341, 14104, 15047, 15596, 15781, 20552, 22837, 23951, 24682, 30094, 31192, 31562, 45674, 47902, 49364, 60188, 63124, 91348, 95804, 98728, 105329, 110467, 120376, 126248, 159859, 167657, 182696, 191608, 204419, 210658, 220934, 319718, 335314, 408838, 421316, 441868, 639436, 647021, 670628, 817676, 842632, 883736, 981991, 1278872, 1294042, 1341256, 1430933, 1635352, 1963982, 2588084, 2861866, 3927964, 4529147, 5176168, 5723732, 6873937, 7855928, 8381179, 8790017, 9058294, 11447464, 13747874, 16762358, 17580034, 18116588, 27495748, 33524716, 35160068, 36233176, 54991496, 58668253, 61530119, 67049432, 70320136, 117336506, 123060238, 234673012, 246120476, 360390697, 469346024, 492240952, 720781394, 1441562788, 2522734879, 2883125576, 5045469758, 10090939516, 20181879032]

約数ペア:

[(1, 20181879032), (2, 10090939516), (4, 5045469758), (7, 2883125576), (8, 2522734879), (14, 1441562788), (28, 720781394), (41, 492240952), (43, 469346024), (56, 360390697), (82, 246120476), (86, 234673012), (164, 123060238), (172, 117336506), (287, 70320136), (301, 67049432), (328, 61530119), (344, 58668253), (367, 54991496), (557, 36233176), (574, 35160068), (602, 33524716), (734, 27495748), (1114, 18116588), (1148, 17580034), (1204, 16762358), (1468, 13747874), (1763, 11447464), (2228, 9058294), (2296, 8790017), (2408, 8381179), (2569, 7855928), (2936, 6873937), (3526, 5723732), (3899, 5176168), (4456, 4529147), (5138, 3927964), (7052, 2861866), (7798, 2588084), (10276, 1963982), (12341, 1635352), (14104, 1430933), (15047, 1341256), (15596, 1294042), (15781, 1278872), (20552, 981991), (22837, 883736), (23951, 842632), (24682, 817676), (30094, 670628), (31192, 647021), (31562, 639436), (45674, 441868), (47902, 421316), (49364, 408838), (60188, 335314), (63124, 319718), (91348, 220934), (95804, 210658), (98728, 204419), (105329, 191608), (110467, 182696), (120376, 167657), (126248, 159859)]