20638528

素因数分解:

$2^6\times {\mathrm{167}}^1\times {\mathrm{1931}}^1$

素因数の和:2110

約数の個数: 28

約数和(自身を含む): 41221152

約数和(自身を除く): 20582624

約数列:

[1, 2, 4, 8, 16, 32, 64, 167, 334, 668, 1336, 1931, 2672, 3862, 5344, 7724, 10688, 15448, 30896, 61792, 123584, 322477, 644954, 1289908, 2579816, 5159632, 10319264, 20638528]

約数ペア:

[(1, 20638528), (2, 10319264), (4, 5159632), (8, 2579816), (16, 1289908), (32, 644954), (64, 322477), (167, 123584), (334, 61792), (668, 30896), (1336, 15448), (1931, 10688), (2672, 7724), (3862, 5344)]