20423806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1613}}^1$

素因数の和:2115

約数の個数: 16

約数和(自身を含む): 33080544

約数和(自身を除く): 12656738

約数列:

[1, 2, 13, 26, 487, 974, 1613, 3226, 6331, 12662, 20969, 41938, 785531, 1571062, 10211903, 20423806]

約数ペア:

[(1, 20423806), (2, 10211903), (13, 1571062), (26, 785531), (487, 41938), (974, 20969), (1613, 12662), (3226, 6331)]