20451568

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41233}}^1$

素因数の和:41272

約数の個数: 20

約数和(自身を含む): 40904128

約数和(自身を除く): 20452560

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 41233, 82466, 164932, 329864, 659728, 1278223, 2556446, 5112892, 10225784, 20451568]

約数ペア:

[(1, 20451568), (2, 10225784), (4, 5112892), (8, 2556446), (16, 1278223), (31, 659728), (62, 329864), (124, 164932), (248, 82466), (496, 41233)]