20992574

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{3821}}^1$

素因数の和:3931

約数の個数: 16

約数和(自身を含む): 32746896

約数和(自身を除く): 11754322

約数列:

[1, 2, 41, 67, 82, 134, 2747, 3821, 5494, 7642, 156661, 256007, 313322, 512014, 10496287, 20992574]

約数ペア:

[(1, 20992574), (2, 10496287), (41, 512014), (67, 313322), (82, 256007), (134, 156661), (2747, 7642), (3821, 5494)]