20769688

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{349}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 40194000

約数和(自身を除く): 19424312

約数列:

[1, 2, 4, 8, 43, 86, 172, 173, 344, 346, 349, 692, 698, 1384, 1396, 2792, 7439, 14878, 15007, 29756, 30014, 59512, 60028, 60377, 120056, 120754, 241508, 483016, 2596211, 5192422, 10384844, 20769688]

約数ペア:

[(1, 20769688), (2, 10384844), (4, 5192422), (8, 2596211), (43, 483016), (86, 241508), (172, 120754), (173, 120056), (344, 60377), (346, 60028), (349, 59512), (692, 30014), (698, 29756), (1384, 15007), (1396, 14878), (2792, 7439)]