20926983

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^2$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 37345536

約数和(自身を除く): 16418553

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 73, 77, 119, 187, 219, 231, 357, 511, 561, 803, 1241, 1309, 1533, 2409, 3723, 3927, 5329, 5621, 8687, 13651, 15987, 16863, 26061, 37303, 40953, 58619, 90593, 95557, 111909, 175857, 271779, 286671, 410333, 634151, 996523, 1230999, 1902453, 2989569, 6975661, 20926983]

約数ペア:

[(1, 20926983), (3, 6975661), (7, 2989569), (11, 1902453), (17, 1230999), (21, 996523), (33, 634151), (51, 410333), (73, 286671), (77, 271779), (119, 175857), (187, 111909), (219, 95557), (231, 90593), (357, 58619), (511, 40953), (561, 37303), (803, 26061), (1241, 16863), (1309, 15987), (1533, 13651), (2409, 8687), (3723, 5621), (3927, 5329)]