20172320919

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{13107421}}^1$

素因数の和:13107452

約数の個数: 20

約数和(自身を含む): 31719961240

約数和(自身を除く): 11547640321

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 13107421, 39322263, 117966789, 249040999, 353900367, 747122997, 1061701101, 2241368991, 6724106973, 20172320919]

約数ペア:

[(1, 20172320919), (3, 6724106973), (9, 2241368991), (19, 1061701101), (27, 747122997), (57, 353900367), (81, 249040999), (171, 117966789), (513, 39322263), (1539, 13107421)]