20173489340

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16535647}}^1$

素因数の和:16535717

約数の個数: 24

約数和(自身を含む): 43058827392

約数和(自身を除く): 22885338052

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 16535647, 33071294, 66142588, 82678235, 165356470, 330712940, 1008674467, 2017348934, 4034697868, 5043372335, 10086744670, 20173489340]

約数ペア:

[(1, 20173489340), (2, 10086744670), (4, 5043372335), (5, 4034697868), (10, 2017348934), (20, 1008674467), (61, 330712940), (122, 165356470), (244, 82678235), (305, 66142588), (610, 33071294), (1220, 16535647)]