20084216

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{577}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 39882000

約数和(自身を除く): 19797784

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 577, 916, 1154, 1832, 2308, 4351, 4616, 8702, 10963, 17404, 21926, 34808, 43852, 87704, 132133, 264266, 528532, 1057064, 2510527, 5021054, 10042108, 20084216]

約数ペア:

[(1, 20084216), (2, 10042108), (4, 5021054), (8, 2510527), (19, 1057064), (38, 528532), (76, 264266), (152, 132133), (229, 87704), (458, 43852), (577, 34808), (916, 21926), (1154, 17404), (1832, 10963), (2308, 8702), (4351, 4616)]