20988129

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{283}}^1\times {\mathrm{419}}^1$

素因数の和:764

約数の個数: 16

約数和(自身を含む): 28627200

約数和(自身を除く): 7639071

約数列:

[1, 3, 59, 177, 283, 419, 849, 1257, 16697, 24721, 50091, 74163, 118577, 355731, 6996043, 20988129]

約数ペア:

[(1, 20988129), (3, 6996043), (59, 355731), (177, 118577), (283, 74163), (419, 50091), (849, 24721), (1257, 16697)]