20171249872

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54813179}}^1$

素因数の和:54813210

約数の個数: 20

約数和(自身を含む): 40781005920

約数和(自身を除く): 20609756048

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54813179, 109626358, 219252716, 438505432, 877010864, 1260703117, 2521406234, 5042812468, 10085624936, 20171249872]

約数ペア:

[(1, 20171249872), (2, 10085624936), (4, 5042812468), (8, 2521406234), (16, 1260703117), (23, 877010864), (46, 438505432), (92, 219252716), (184, 109626358), (368, 54813179)]