20278315005

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103991359}}^1$

素因数の和:103991380

約数の個数: 16

約数和(自身を含む): 34941096960

約数和(自身を除く): 14662781955

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 103991359, 311974077, 519956795, 1351887667, 1559870385, 4055663001, 6759438335, 20278315005]

約数ペア:

[(1, 20278315005), (3, 6759438335), (5, 4055663001), (13, 1559870385), (15, 1351887667), (39, 519956795), (65, 311974077), (195, 103991359)]