20536945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{28723}}^1$

素因数の和:28752

約数の個数: 16

約数和(自身を含む): 28953792

約数和(自身を除く): 8416847

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 28723, 143615, 315953, 373399, 1579765, 1866995, 4107389, 20536945]

約数ペア:

[(1, 20536945), (5, 4107389), (11, 1866995), (13, 1579765), (55, 373399), (65, 315953), (143, 143615), (715, 28723)]