20126813721

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{44809}}^1$

素因数の和:45185

約数の個数: 32

約数和(自身を含む): 31196363520

約数和(自身を除く): 11069549799

約数列:

[1, 3, 7, 21, 73, 219, 293, 511, 879, 1533, 2051, 6153, 21389, 44809, 64167, 134427, 149723, 313663, 449169, 940989, 3271057, 9813171, 13129037, 22897399, 39387111, 68692197, 91903259, 275709777, 958419701, 2875259103, 6708937907, 20126813721]

約数ペア:

[(1, 20126813721), (3, 6708937907), (7, 2875259103), (21, 958419701), (73, 275709777), (219, 91903259), (293, 68692197), (511, 39387111), (879, 22897399), (1533, 13129037), (2051, 9813171), (6153, 3271057), (21389, 940989), (44809, 449169), (64167, 313663), (134427, 149723)]