20202903

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6823}}^1$

素因数の和:6883

約数の個数: 24

約数和(自身を含む): 34065408

約数和(自身を除く): 13862505

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6823, 20469, 47761, 61407, 143283, 320681, 429849, 962043, 2244767, 2886129, 6734301, 20202903]

約数ペア:

[(1, 20202903), (3, 6734301), (7, 2886129), (9, 2244767), (21, 962043), (47, 429849), (63, 320681), (141, 143283), (329, 61407), (423, 47761), (987, 20469), (2961, 6823)]