20108946

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1071

約数の個数: 64

約数和(自身を含む): 49351680

約数和(自身を除く): 29242734

約数列:

[1, 2, 3, 6, 11, 13, 22, 23, 26, 33, 39, 46, 66, 69, 78, 138, 143, 253, 286, 299, 429, 506, 598, 759, 858, 897, 1019, 1518, 1794, 2038, 3057, 3289, 6114, 6578, 9867, 11209, 13247, 19734, 22418, 23437, 26494, 33627, 39741, 46874, 67254, 70311, 79482, 140622, 145717, 257807, 291434, 304681, 437151, 515614, 609362, 773421, 874302, 914043, 1546842, 1828086, 3351491, 6702982, 10054473, 20108946]

約数ペア:

[(1, 20108946), (2, 10054473), (3, 6702982), (6, 3351491), (11, 1828086), (13, 1546842), (22, 914043), (23, 874302), (26, 773421), (33, 609362), (39, 515614), (46, 437151), (66, 304681), (69, 291434), (78, 257807), (138, 145717), (143, 140622), (253, 79482), (286, 70311), (299, 67254), (429, 46874), (506, 39741), (598, 33627), (759, 26494), (858, 23437), (897, 22418), (1019, 19734), (1518, 13247), (1794, 11209), (2038, 9867), (3057, 6578), (3289, 6114)]