20458077152

素因数分解:

$2^5\times {\mathrm{167}}^1\times {\mathrm{991}}^1\times {\mathrm{3863}}^1$

素因数の和:5031

約数の個数: 48

約数和(自身を含む): 40569403392

約数和(自身を除く): 20111326240

約数列:

[1, 2, 4, 8, 16, 32, 167, 334, 668, 991, 1336, 1982, 2672, 3863, 3964, 5344, 7726, 7928, 15452, 15856, 30904, 31712, 61808, 123616, 165497, 330994, 645121, 661988, 1290242, 1323976, 2580484, 2647952, 3828233, 5160968, 5295904, 7656466, 10321936, 15312932, 20643872, 30625864, 61251728, 122503456, 639314911, 1278629822, 2557259644, 5114519288, 10229038576, 20458077152]

約数ペア:

[(1, 20458077152), (2, 10229038576), (4, 5114519288), (8, 2557259644), (16, 1278629822), (32, 639314911), (167, 122503456), (334, 61251728), (668, 30625864), (991, 20643872), (1336, 15312932), (1982, 10321936), (2672, 7656466), (3863, 5295904), (3964, 5160968), (5344, 3828233), (7726, 2647952), (7928, 2580484), (15452, 1323976), (15856, 1290242), (30904, 661988), (31712, 645121), (61808, 330994), (123616, 165497)]