20451599

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1193}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 24453120

約数和(自身を除く): 4001521

約数列:

[1, 7, 31, 79, 217, 553, 1193, 2449, 8351, 17143, 36983, 94247, 258881, 659729, 2921657, 20451599]

約数ペア:

[(1, 20451599), (7, 2921657), (31, 659729), (79, 258881), (217, 94247), (553, 36983), (1193, 17143), (2449, 8351)]