20765072

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9907}}^1$

素因数の和:10046

約数の個数: 20

約数和(自身を含む): 40543536

約数和(自身を除く): 19778464

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9907, 19814, 39628, 79256, 158512, 1297817, 2595634, 5191268, 10382536, 20765072]

約数ペア:

[(1, 20765072), (2, 10382536), (4, 5191268), (8, 2595634), (16, 1297817), (131, 158512), (262, 79256), (524, 39628), (1048, 19814), (2096, 9907)]