20367531

素因数分解:

$3^7\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 32

約数和(自身を含む): 31225600

約数和(自身を除く): 10858069

約数列:

[1, 3, 9, 27, 67, 81, 139, 201, 243, 417, 603, 729, 1251, 1809, 2187, 3753, 5427, 9313, 11259, 16281, 27939, 33777, 48843, 83817, 101331, 146529, 251451, 303993, 754353, 2263059, 6789177, 20367531]

約数ペア:

[(1, 20367531), (3, 6789177), (9, 2263059), (27, 754353), (67, 303993), (81, 251451), (139, 146529), (201, 101331), (243, 83817), (417, 48843), (603, 33777), (729, 27939), (1251, 16281), (1809, 11259), (2187, 9313), (3753, 5427)]