20849972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36451}}^1$

素因数の和:36479

約数の個数: 24

約数和(自身を含む): 42867552

約数和(自身を除く): 22017580

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36451, 72902, 145804, 400961, 473863, 801922, 947726, 1603844, 1895452, 5212493, 10424986, 20849972]

約数ペア:

[(1, 20849972), (2, 10424986), (4, 5212493), (11, 1895452), (13, 1603844), (22, 947726), (26, 801922), (44, 473863), (52, 400961), (143, 145804), (286, 72902), (572, 36451)]