20197975520

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2685901}}^1$

素因数の和:2685963

約数の個数: 48

約数和(自身を含む): 48733005888

約数和(自身を除く): 28535030368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 94, 160, 188, 235, 376, 470, 752, 940, 1504, 1880, 3760, 7520, 2685901, 5371802, 10743604, 13429505, 21487208, 26859010, 42974416, 53718020, 85948832, 107436040, 126237347, 214872080, 252474694, 429744160, 504949388, 631186735, 1009898776, 1262373470, 2019797552, 2524746940, 4039595104, 5049493880, 10098987760, 20197975520]

約数ペア:

[(1, 20197975520), (2, 10098987760), (4, 5049493880), (5, 4039595104), (8, 2524746940), (10, 2019797552), (16, 1262373470), (20, 1009898776), (32, 631186735), (40, 504949388), (47, 429744160), (80, 252474694), (94, 214872080), (160, 126237347), (188, 107436040), (235, 85948832), (376, 53718020), (470, 42974416), (752, 26859010), (940, 21487208), (1504, 13429505), (1880, 10743604), (3760, 5371802), (7520, 2685901)]