20261567109

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{161263}}^1$

素因数の和:161497

約数の個数: 32

約数和(自身を含む): 32036061184

約数和(自身を除く): 11774494075

約数列:

[1, 3, 7, 21, 31, 93, 193, 217, 579, 651, 1351, 4053, 5983, 17949, 41881, 125643, 161263, 483789, 1128841, 3386523, 4999153, 14997459, 31123759, 34994071, 93371277, 104982213, 217866313, 653598939, 964836529, 2894509587, 6753855703, 20261567109]

約数ペア:

[(1, 20261567109), (3, 6753855703), (7, 2894509587), (21, 964836529), (31, 653598939), (93, 217866313), (193, 104982213), (217, 93371277), (579, 34994071), (651, 31123759), (1351, 14997459), (4053, 4999153), (5983, 3386523), (17949, 1128841), (41881, 483789), (125643, 161263)]