20212472

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^2\times {\mathrm{97}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 44488080

約数和(自身を除く): 24275608

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 97, 122, 194, 244, 388, 427, 488, 679, 776, 854, 1358, 1708, 2716, 3416, 3721, 5432, 5917, 7442, 11834, 14884, 23668, 26047, 29768, 41419, 47336, 52094, 82838, 104188, 165676, 208376, 331352, 360937, 721874, 1443748, 2526559, 2887496, 5053118, 10106236, 20212472]

約数ペア:

[(1, 20212472), (2, 10106236), (4, 5053118), (7, 2887496), (8, 2526559), (14, 1443748), (28, 721874), (56, 360937), (61, 331352), (97, 208376), (122, 165676), (194, 104188), (244, 82838), (388, 52094), (427, 47336), (488, 41419), (679, 29768), (776, 26047), (854, 23668), (1358, 14884), (1708, 11834), (2716, 7442), (3416, 5917), (3721, 5432)]