20864336

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19463}}^1$

素因数の和:19538

約数の個数: 20

約数和(自身を含む): 41030112

約数和(自身を除く): 20165776

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19463, 38926, 77852, 155704, 311408, 1304021, 2608042, 5216084, 10432168, 20864336]

約数ペア:

[(1, 20864336), (2, 10432168), (4, 5216084), (8, 2608042), (16, 1304021), (67, 311408), (134, 155704), (268, 77852), (536, 38926), (1072, 19463)]