20147888091

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{4621}}^1$

素因数の和:5203

約数の個数: 32

約数和(自身を含む): 27931374592

約数和(自身を除く): 7783486501

約数列:

[1, 3, 43, 73, 129, 219, 463, 1389, 3139, 4621, 9417, 13863, 19909, 33799, 59727, 101397, 198703, 337333, 596109, 1011999, 1453357, 2139523, 4360071, 6418569, 14505319, 43515957, 91999489, 156185179, 275998467, 468555537, 6715962697, 20147888091]

約数ペア:

[(1, 20147888091), (3, 6715962697), (43, 468555537), (73, 275998467), (129, 156185179), (219, 91999489), (463, 43515957), (1389, 14505319), (3139, 6418569), (4621, 4360071), (9417, 2139523), (13863, 1453357), (19909, 1011999), (33799, 596109), (59727, 337333), (101397, 198703)]