20705307904

素因数分解:

$2^8\times {\mathrm{3461}}^1\times {\mathrm{23369}}^1$

素因数の和:26846

約数の個数: 36

約数和(自身を含む): 41343446340

約数和(自身を除く): 20638138436

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 3461, 6922, 13844, 23369, 27688, 46738, 55376, 93476, 110752, 186952, 221504, 373904, 443008, 747808, 886016, 1495616, 2991232, 5982464, 80880109, 161760218, 323520436, 647040872, 1294081744, 2588163488, 5176326976, 10352653952, 20705307904]

約数ペア:

[(1, 20705307904), (2, 10352653952), (4, 5176326976), (8, 2588163488), (16, 1294081744), (32, 647040872), (64, 323520436), (128, 161760218), (256, 80880109), (3461, 5982464), (6922, 2991232), (13844, 1495616), (23369, 886016), (27688, 747808), (46738, 443008), (55376, 373904), (93476, 221504), (110752, 186952)]