20383185

素因数分解:

$3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 33546240

約数和(自身を除く): 13163055

約数列:

[1, 3, 5, 15, 79, 103, 167, 237, 309, 395, 501, 515, 835, 1185, 1545, 2505, 8137, 13193, 17201, 24411, 39579, 40685, 51603, 65965, 86005, 122055, 197895, 258015, 1358879, 4076637, 6794395, 20383185]

約数ペア:

[(1, 20383185), (3, 6794395), (5, 4076637), (15, 1358879), (79, 258015), (103, 197895), (167, 122055), (237, 86005), (309, 65965), (395, 51603), (501, 40685), (515, 39579), (835, 24411), (1185, 17201), (1545, 13193), (2505, 8137)]