20214098788

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{163}}^1\times {\mathrm{183451}}^1$

素因数の和:183644

約数の個数: 36

約数和(自身を含む): 38540329968

約数和(自身を除く): 18326231180

約数列:

[1, 2, 4, 13, 26, 52, 163, 169, 326, 338, 652, 676, 2119, 4238, 8476, 27547, 55094, 110188, 183451, 366902, 733804, 2384863, 4769726, 9539452, 29902513, 31003219, 59805026, 62006438, 119610052, 124012876, 388732669, 777465338, 1554930676, 5053524697, 10107049394, 20214098788]

約数ペア:

[(1, 20214098788), (2, 10107049394), (4, 5053524697), (13, 1554930676), (26, 777465338), (52, 388732669), (163, 124012876), (169, 119610052), (326, 62006438), (338, 59805026), (652, 31003219), (676, 29902513), (2119, 9539452), (4238, 4769726), (8476, 2384863), (27547, 733804), (55094, 366902), (110188, 183451)]