20087938

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24923}}^1$

素因数の和:24969

約数の個数: 16

約数和(自身を含む): 33497856

約数和(自身を除く): 13409918

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 24923, 49846, 323999, 647998, 772613, 1545226, 10043969, 20087938]

約数ペア:

[(1, 20087938), (2, 10043969), (13, 1545226), (26, 772613), (31, 647998), (62, 323999), (403, 49846), (806, 24923)]