20805310498

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1\times {\mathrm{3793}}^1$

素因数の和:5051

約数の個数: 64

約数和(自身を含む): 39795114240

約数和(自身を除く): 18989803742

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 1213, 2261, 2426, 3793, 4522, 7586, 8491, 16982, 20621, 23047, 26551, 41242, 46094, 53102, 64481, 72067, 128962, 144134, 144347, 161329, 288694, 322658, 391799, 451367, 504469, 783598, 902734, 1008938, 1225139, 2450278, 2742593, 4600909, 5485186, 8575973, 9201818, 17151946, 32206363, 64412726, 78215453, 87417271, 156430906, 174834542, 547508171, 611920897, 1095016342, 1223841794, 1486093607, 2972187214, 10402655249, 20805310498]

約数ペア:

[(1, 20805310498), (2, 10402655249), (7, 2972187214), (14, 1486093607), (17, 1223841794), (19, 1095016342), (34, 611920897), (38, 547508171), (119, 174834542), (133, 156430906), (238, 87417271), (266, 78215453), (323, 64412726), (646, 32206363), (1213, 17151946), (2261, 9201818), (2426, 8575973), (3793, 5485186), (4522, 4600909), (7586, 2742593), (8491, 2450278), (16982, 1225139), (20621, 1008938), (23047, 902734), (26551, 783598), (41242, 504469), (46094, 451367), (53102, 391799), (64481, 322658), (72067, 288694), (128962, 161329), (144134, 144347)]