20461588

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{223}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 42900480

約数和(自身を除く): 22438892

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 113, 116, 203, 223, 226, 406, 446, 452, 791, 812, 892, 1561, 1582, 3122, 3164, 3277, 6244, 6467, 6554, 12934, 13108, 22939, 25199, 25868, 45269, 45878, 50398, 90538, 91756, 100796, 176393, 181076, 352786, 705572, 730771, 1461542, 2923084, 5115397, 10230794, 20461588]

約数ペア:

[(1, 20461588), (2, 10230794), (4, 5115397), (7, 2923084), (14, 1461542), (28, 730771), (29, 705572), (58, 352786), (113, 181076), (116, 176393), (203, 100796), (223, 91756), (226, 90538), (406, 50398), (446, 45878), (452, 45269), (791, 25868), (812, 25199), (892, 22939), (1561, 13108), (1582, 12934), (3122, 6554), (3164, 6467), (3277, 6244)]