20375406

素因数分解:

$2^1\times 3^2\times {\mathrm{271}}^1\times {\mathrm{4177}}^1$

素因数の和:4456

約数の個数: 24

約数和(自身を含む): 44320224

約数和(自身を除く): 23944818

約数列:

[1, 2, 3, 6, 9, 18, 271, 542, 813, 1626, 2439, 4177, 4878, 8354, 12531, 25062, 37593, 75186, 1131967, 2263934, 3395901, 6791802, 10187703, 20375406]

約数ペア:

[(1, 20375406), (2, 10187703), (3, 6791802), (6, 3395901), (9, 2263934), (18, 1131967), (271, 75186), (542, 37593), (813, 25062), (1626, 12531), (2439, 8354), (4177, 4878)]