20818053

素因数分解:

$3^8\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 33065760

約数和(自身を除く): 12247707

約数列:

[1, 3, 9, 19, 27, 57, 81, 167, 171, 243, 501, 513, 729, 1503, 1539, 2187, 3173, 4509, 4617, 6561, 9519, 13527, 13851, 28557, 40581, 41553, 85671, 121743, 124659, 257013, 365229, 771039, 1095687, 2313117, 6939351, 20818053]

約数ペア:

[(1, 20818053), (3, 6939351), (9, 2313117), (19, 1095687), (27, 771039), (57, 365229), (81, 257013), (167, 124659), (171, 121743), (243, 85671), (501, 41553), (513, 40581), (729, 28557), (1503, 13851), (1539, 13527), (2187, 9519), (3173, 6561), (4509, 4617)]