20705104

素因数分解:

$2^4\times 7^1\times {\mathrm{223}}^1\times {\mathrm{829}}^1$

素因数の和:1067

約数の個数: 40

約数和(自身を含む): 46108160

約数和(自身を除く): 25403056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223, 446, 829, 892, 1561, 1658, 1784, 3122, 3316, 3568, 5803, 6244, 6632, 11606, 12488, 13264, 23212, 24976, 46424, 92848, 184867, 369734, 739468, 1294069, 1478936, 2588138, 2957872, 5176276, 10352552, 20705104]

約数ペア:

[(1, 20705104), (2, 10352552), (4, 5176276), (7, 2957872), (8, 2588138), (14, 1478936), (16, 1294069), (28, 739468), (56, 369734), (112, 184867), (223, 92848), (446, 46424), (829, 24976), (892, 23212), (1561, 13264), (1658, 12488), (1784, 11606), (3122, 6632), (3316, 6244), (3568, 5803)]