20973478

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 34572096

約数和(自身を除く): 13598618

約数列:

[1, 2, 17, 34, 53, 103, 106, 113, 206, 226, 901, 1751, 1802, 1921, 3502, 3842, 5459, 5989, 10918, 11639, 11978, 23278, 92803, 101813, 185606, 197863, 203626, 395726, 616867, 1233734, 10486739, 20973478]

約数ペア:

[(1, 20973478), (2, 10486739), (17, 1233734), (34, 616867), (53, 395726), (103, 203626), (106, 197863), (113, 185606), (206, 101813), (226, 92803), (901, 23278), (1751, 11978), (1802, 11639), (1921, 10918), (3502, 5989), (3842, 5459)]