20294710989

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{41543}}^1$

素因数の和:42137

約数の個数: 32

約数和(自身を含む): 31703721984

約数和(自身を除く): 11409010995

約数列:

[1, 3, 7, 21, 43, 129, 301, 541, 903, 1623, 3787, 11361, 23263, 41543, 69789, 124629, 162841, 290801, 488523, 872403, 1786349, 5359047, 12504443, 22474763, 37513329, 67424289, 157323341, 471970023, 966414809, 2899244427, 6764903663, 20294710989]

約数ペア:

[(1, 20294710989), (3, 6764903663), (7, 2899244427), (21, 966414809), (43, 471970023), (129, 157323341), (301, 67424289), (541, 37513329), (903, 22474763), (1623, 12504443), (3787, 5359047), (11361, 1786349), (23263, 872403), (41543, 488523), (69789, 290801), (124629, 162841)]