20511808

素因数分解:

$2^6\times {\mathrm{41}}^1\times {\mathrm{7817}}^1$

素因数の和:7870

約数の個数: 28

約数和(自身を含む): 41701212

約数和(自身を除く): 21189404

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 164, 328, 656, 1312, 2624, 7817, 15634, 31268, 62536, 125072, 250144, 320497, 500288, 640994, 1281988, 2563976, 5127952, 10255904, 20511808]

約数ペア:

[(1, 20511808), (2, 10255904), (4, 5127952), (8, 2563976), (16, 1281988), (32, 640994), (41, 500288), (64, 320497), (82, 250144), (164, 125072), (328, 62536), (656, 31268), (1312, 15634), (2624, 7817)]