20711724

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 35171796

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 41, 43, 44, 66, 82, 86, 89, 123, 129, 132, 164, 172, 178, 246, 258, 267, 356, 451, 473, 492, 516, 534, 902, 946, 979, 1068, 1353, 1419, 1763, 1804, 1892, 1958, 2706, 2838, 2937, 3526, 3649, 3827, 3916, 5289, 5412, 5676, 5874, 7052, 7298, 7654, 10578, 10947, 11481, 11748, 14596, 15308, 19393, 21156, 21894, 22962, 38786, 40139, 42097, 43788, 45924, 58179, 77572, 80278, 84194, 116358, 120417, 126291, 156907, 160556, 168388, 232716, 240834, 252582, 313814, 470721, 481668, 505164, 627628, 941442, 1725977, 1882884, 3451954, 5177931, 6903908, 10355862, 20711724]

約数ペア:

[(1, 20711724), (2, 10355862), (3, 6903908), (4, 5177931), (6, 3451954), (11, 1882884), (12, 1725977), (22, 941442), (33, 627628), (41, 505164), (43, 481668), (44, 470721), (66, 313814), (82, 252582), (86, 240834), (89, 232716), (123, 168388), (129, 160556), (132, 156907), (164, 126291), (172, 120417), (178, 116358), (246, 84194), (258, 80278), (267, 77572), (356, 58179), (451, 45924), (473, 43788), (492, 42097), (516, 40139), (534, 38786), (902, 22962), (946, 21894), (979, 21156), (1068, 19393), (1353, 15308), (1419, 14596), (1763, 11748), (1804, 11481), (1892, 10947), (1958, 10578), (2706, 7654), (2838, 7298), (2937, 7052), (3526, 5874), (3649, 5676), (3827, 5412), (3916, 5289)]