20117307

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1587

約数の個数: 32

約数和(自身を含む): 33357312

約数和(自身を除く): 13240005

約数列:

[1, 3, 7, 17, 21, 37, 51, 111, 119, 259, 357, 629, 777, 1523, 1887, 4403, 4569, 10661, 13209, 25891, 31983, 56351, 77673, 169053, 181237, 394457, 543711, 957967, 1183371, 2873901, 6705769, 20117307]

約数ペア:

[(1, 20117307), (3, 6705769), (7, 2873901), (17, 1183371), (21, 957967), (37, 543711), (51, 394457), (111, 181237), (119, 169053), (259, 77673), (357, 56351), (629, 31983), (777, 25891), (1523, 13209), (1887, 10661), (4403, 4569)]