20191435

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 27620352

約数和(自身を除く): 7428917

約数列:

[1, 5, 11, 47, 55, 73, 107, 235, 365, 517, 535, 803, 1177, 2585, 3431, 4015, 5029, 5885, 7811, 17155, 25145, 37741, 39055, 55319, 85921, 188705, 276595, 367117, 429605, 1835585, 4038287, 20191435]

約数ペア:

[(1, 20191435), (5, 4038287), (11, 1835585), (47, 429605), (55, 367117), (73, 276595), (107, 188705), (235, 85921), (365, 55319), (517, 39055), (535, 37741), (803, 25145), (1177, 17155), (2585, 7811), (3431, 5885), (4015, 5029)]