20450272

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9001}}^1$

素因数の和:9082

約数の個数: 24

約数和(自身を含む): 40833072

約数和(自身を除く): 20382800

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9001, 18002, 36004, 72008, 144016, 288032, 639071, 1278142, 2556284, 5112568, 10225136, 20450272]

約数ペア:

[(1, 20450272), (2, 10225136), (4, 5112568), (8, 2556284), (16, 1278142), (32, 639071), (71, 288032), (142, 144016), (284, 72008), (568, 36004), (1136, 18002), (2272, 9001)]