20459632

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6491}}^1$

素因数の和:6696

約数の個数: 20

約数和(自身を含む): 39847896

約数和(自身を除く): 19388264

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6491, 12982, 25964, 51928, 103856, 1278727, 2557454, 5114908, 10229816, 20459632]

約数ペア:

[(1, 20459632), (2, 10229816), (4, 5114908), (8, 2557454), (16, 1278727), (197, 103856), (394, 51928), (788, 25964), (1576, 12982), (3152, 6491)]