20571968

素因数分解:

$2^6\times {\mathrm{127}}^1\times {\mathrm{2531}}^1$

素因数の和:2670

約数の個数: 28

約数和(自身を含む): 41160192

約数和(自身を除く): 20588224

約数列:

[1, 2, 4, 8, 16, 32, 64, 127, 254, 508, 1016, 2032, 2531, 4064, 5062, 8128, 10124, 20248, 40496, 80992, 161984, 321437, 642874, 1285748, 2571496, 5142992, 10285984, 20571968]

約数ペア:

[(1, 20571968), (2, 10285984), (4, 5142992), (8, 2571496), (16, 1285748), (32, 642874), (64, 321437), (127, 161984), (254, 80992), (508, 40496), (1016, 20248), (2032, 10124), (2531, 8128), (4064, 5062)]