20185467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 9881733

約数列:

[1, 3, 19, 23, 57, 69, 89, 173, 267, 437, 519, 1311, 1691, 2047, 3287, 3979, 5073, 6141, 9861, 11937, 15397, 38893, 46191, 75601, 116679, 226803, 292543, 354131, 877629, 1062393, 6728489, 20185467]

約数ペア:

[(1, 20185467), (3, 6728489), (19, 1062393), (23, 877629), (57, 354131), (69, 292543), (89, 226803), (173, 116679), (267, 75601), (437, 46191), (519, 38893), (1311, 15397), (1691, 11937), (2047, 9861), (3287, 6141), (3979, 5073)]