20455457

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 23755200

約数和(自身を除く): 3299743

約数列:

[1, 11, 19, 97, 209, 1009, 1067, 1843, 11099, 19171, 20273, 97873, 210881, 1076603, 1859587, 20455457]

約数ペア:

[(1, 20455457), (11, 1859587), (19, 1076603), (97, 210881), (209, 97873), (1009, 20273), (1067, 19171), (1843, 11099)]