20517248

素因数分解:

$2^7\times {\mathrm{79}}^1\times {\mathrm{2029}}^1$

素因数の和:2122

約数の個数: 32

約数和(自身を含む): 41412000

約数和(自身を除く): 20894752

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 316, 632, 1264, 2029, 2528, 4058, 5056, 8116, 10112, 16232, 32464, 64928, 129856, 160291, 259712, 320582, 641164, 1282328, 2564656, 5129312, 10258624, 20517248]

約数ペア:

[(1, 20517248), (2, 10258624), (4, 5129312), (8, 2564656), (16, 1282328), (32, 641164), (64, 320582), (79, 259712), (128, 160291), (158, 129856), (316, 64928), (632, 32464), (1264, 16232), (2029, 10112), (2528, 8116), (4058, 5056)]