20637248

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{7499}}^1$

素因数の和:7554

約数の個数: 28

約数和(自身を含む): 41910000

約数和(自身を除く): 21272752

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 172, 344, 688, 1376, 2752, 7499, 14998, 29996, 59992, 119984, 239968, 322457, 479936, 644914, 1289828, 2579656, 5159312, 10318624, 20637248]

約数ペア:

[(1, 20637248), (2, 10318624), (4, 5159312), (8, 2579656), (16, 1289828), (32, 644914), (43, 479936), (64, 322457), (86, 239968), (172, 119984), (344, 59992), (688, 29996), (1376, 14998), (2752, 7499)]