20960512

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 36

約数和(自身を含む): 42881076

約数和(自身を除く): 21920564

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 1997, 2624, 3994, 5248, 7988, 10496, 15976, 31952, 63904, 81877, 127808, 163754, 255616, 327508, 511232, 655016, 1310032, 2620064, 5240128, 10480256, 20960512]

約数ペア:

[(1, 20960512), (2, 10480256), (4, 5240128), (8, 2620064), (16, 1310032), (32, 655016), (41, 511232), (64, 327508), (82, 255616), (128, 163754), (164, 127808), (256, 81877), (328, 63904), (656, 31952), (1312, 15976), (1997, 10496), (2624, 7988), (3994, 5248)]