20607129

素因数分解:

$3^5\times {\mathrm{137}}^1\times {\mathrm{619}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 31143840

約数和(自身を除く): 10536711

約数列:

[1, 3, 9, 27, 81, 137, 243, 411, 619, 1233, 1857, 3699, 5571, 11097, 16713, 33291, 50139, 84803, 150417, 254409, 763227, 2289681, 6869043, 20607129]

約数ペア:

[(1, 20607129), (3, 6869043), (9, 2289681), (27, 763227), (81, 254409), (137, 150417), (243, 84803), (411, 50139), (619, 33291), (1233, 16713), (1857, 11097), (3699, 5571)]