20198608

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 40798976

約数和(自身を除く): 20600368

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 193, 211, 248, 386, 422, 496, 772, 844, 1544, 1688, 3088, 3376, 5983, 6541, 11966, 13082, 23932, 26164, 40723, 47864, 52328, 81446, 95728, 104656, 162892, 325784, 651568, 1262413, 2524826, 5049652, 10099304, 20198608]

約数ペア:

[(1, 20198608), (2, 10099304), (4, 5049652), (8, 2524826), (16, 1262413), (31, 651568), (62, 325784), (124, 162892), (193, 104656), (211, 95728), (248, 81446), (386, 52328), (422, 47864), (496, 40723), (772, 26164), (844, 23932), (1544, 13082), (1688, 11966), (3088, 6541), (3376, 5983)]