20928689

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22809600

約数和(自身を除く): 1880911

約数列:

[1, 23, 31, 149, 197, 713, 3427, 4531, 4619, 6107, 29353, 106237, 140461, 675119, 909943, 20928689]

約数ペア:

[(1, 20928689), (23, 909943), (31, 675119), (149, 140461), (197, 106237), (713, 29353), (3427, 6107), (4531, 4619)]