20804598129

素因数分解:

$3^1\times 7^1\times {\mathrm{12917}}^1\times {\mathrm{76697}}^1$

素因数の和:89624

約数の個数: 16

約数和(自身を含む): 31705112448

約数和(自身を除く): 10900514319

約数列:

[1, 3, 7, 21, 12917, 38751, 76697, 90419, 230091, 271257, 536879, 1610637, 990695149, 2972085447, 6934866043, 20804598129]

約数ペア:

[(1, 20804598129), (3, 6934866043), (7, 2972085447), (21, 990695149), (12917, 1610637), (38751, 536879), (76697, 271257), (90419, 230091)]