20218018405

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{379}}^1\times {\mathrm{63131}}^1$

素因数の和:63541

約数の個数: 24

約数和(自身を含む): 26341195680

約数和(自身を除く): 6123177275

約数列:

[1, 5, 13, 65, 169, 379, 845, 1895, 4927, 24635, 63131, 64051, 315655, 320255, 820703, 4103515, 10669139, 23926649, 53345695, 119633245, 311046437, 1555232185, 4043603681, 20218018405]

約数ペア:

[(1, 20218018405), (5, 4043603681), (13, 1555232185), (65, 311046437), (169, 119633245), (379, 53345695), (845, 23926649), (1895, 10669139), (4927, 4103515), (24635, 820703), (63131, 320255), (64051, 315655)]