20736702999

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13474141}}^1$

素因数の和:13474172

約数の個数: 20

約数和(自身を含む): 32607423640

約数和(自身を除く): 11870720641

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13474141, 40422423, 121267269, 256008679, 363801807, 768026037, 1091405421, 2304078111, 6912234333, 20736702999]

約数ペア:

[(1, 20736702999), (3, 6912234333), (9, 2304078111), (19, 1091405421), (27, 768026037), (57, 363801807), (81, 256008679), (171, 121267269), (513, 40422423), (1539, 13474141)]