20201448688

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{246167}}^1$

素因数の和:246421

約数の個数: 40

約数和(自身を含む): 41025374208

約数和(自身を除く): 20823925520

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 223, 368, 446, 892, 1784, 3568, 5129, 10258, 20516, 41032, 82064, 246167, 492334, 984668, 1969336, 3938672, 5661841, 11323682, 22647364, 45294728, 54895241, 90589456, 109790482, 219580964, 439161928, 878323856, 1262590543, 2525181086, 5050362172, 10100724344, 20201448688]

約数ペア:

[(1, 20201448688), (2, 10100724344), (4, 5050362172), (8, 2525181086), (16, 1262590543), (23, 878323856), (46, 439161928), (92, 219580964), (184, 109790482), (223, 90589456), (368, 54895241), (446, 45294728), (892, 22647364), (1784, 11323682), (3568, 5661841), (5129, 3938672), (10258, 1969336), (20516, 984668), (41032, 492334), (82064, 246167)]