20857278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{267401}}^1$

素因数の和:267419

約数の個数: 16

約数和(自身を含む): 44923536

約数和(自身を除く): 24066258

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 267401, 534802, 802203, 1604406, 3476213, 6952426, 10428639, 20857278]

約数ペア:

[(1, 20857278), (2, 10428639), (3, 6952426), (6, 3476213), (13, 1604406), (26, 802203), (39, 534802), (78, 267401)]