20725184

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{4561}}^1$

素因数の和:4644

約数の個数: 28

約数和(自身を含む): 41714928

約数和(自身を除く): 20989744

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 284, 568, 1136, 2272, 4544, 4561, 9122, 18244, 36488, 72976, 145952, 291904, 323831, 647662, 1295324, 2590648, 5181296, 10362592, 20725184]

約数ペア:

[(1, 20725184), (2, 10362592), (4, 5181296), (8, 2590648), (16, 1295324), (32, 647662), (64, 323831), (71, 291904), (142, 145952), (284, 72976), (568, 36488), (1136, 18244), (2272, 9122), (4544, 4561)]