20235488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6949}}^1$

素因数の和:6979

約数の個数: 48

約数和(自身を含む): 49039200

約数和(自身を除く): 28803712

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 728, 1456, 2912, 6949, 13898, 27796, 48643, 55592, 90337, 97286, 111184, 180674, 194572, 222368, 361348, 389144, 632359, 722696, 778288, 1264718, 1445392, 1556576, 2529436, 2890784, 5058872, 10117744, 20235488]

約数ペア:

[(1, 20235488), (2, 10117744), (4, 5058872), (7, 2890784), (8, 2529436), (13, 1556576), (14, 1445392), (16, 1264718), (26, 778288), (28, 722696), (32, 632359), (52, 389144), (56, 361348), (91, 222368), (104, 194572), (112, 180674), (182, 111184), (208, 97286), (224, 90337), (364, 55592), (416, 48643), (728, 27796), (1456, 13898), (2912, 6949)]