20472935042

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{727}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 36060111360

約数和(自身を除く): 15587176318

約数列:

[1, 2, 7, 14, 89, 97, 178, 194, 233, 466, 623, 679, 727, 1246, 1358, 1454, 1631, 3262, 5089, 8633, 10178, 17266, 20737, 22601, 41474, 45202, 60431, 64703, 70519, 120862, 129406, 141038, 145159, 158207, 169391, 290318, 316414, 338782, 452921, 493633, 905842, 987266, 1185737, 2011489, 2371474, 4022978, 6276191, 12552382, 14080423, 15075799, 16430927, 28160846, 30151598, 32861854, 43933337, 87866674, 105530593, 115016489, 211061186, 230032978, 1462352503, 2924705006, 10236467521, 20472935042]

約数ペア:

[(1, 20472935042), (2, 10236467521), (7, 2924705006), (14, 1462352503), (89, 230032978), (97, 211061186), (178, 115016489), (194, 105530593), (233, 87866674), (466, 43933337), (623, 32861854), (679, 30151598), (727, 28160846), (1246, 16430927), (1358, 15075799), (1454, 14080423), (1631, 12552382), (3262, 6276191), (5089, 4022978), (8633, 2371474), (10178, 2011489), (17266, 1185737), (20737, 987266), (22601, 905842), (41474, 493633), (45202, 452921), (60431, 338782), (64703, 316414), (70519, 290318), (120862, 169391), (129406, 158207), (141038, 145159)]