20459529

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1823}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 31299840

約数和(自身を除く): 10840311

約数列:

[1, 3, 9, 29, 43, 87, 129, 261, 387, 1247, 1823, 3741, 5469, 11223, 16407, 52867, 78389, 158601, 235167, 475803, 705501, 2273281, 6819843, 20459529]

約数ペア:

[(1, 20459529), (3, 6819843), (9, 2273281), (29, 705501), (43, 475803), (87, 235167), (129, 158601), (261, 78389), (387, 52867), (1247, 16407), (1823, 11223), (3741, 5469)]