22078940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{84919}}^1$

素因数の和:84941

約数の個数: 24

約数和(自身を含む): 49932960

約数和(自身を除く): 27854020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 84919, 169838, 339676, 424595, 849190, 1103947, 1698380, 2207894, 4415788, 5519735, 11039470, 22078940]

約数ペア:

[(1, 22078940), (2, 11039470), (4, 5519735), (5, 4415788), (10, 2207894), (13, 1698380), (20, 1103947), (26, 849190), (52, 424595), (65, 339676), (130, 169838), (260, 84919)]