20415585

素因数分解:

$3^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1481}}^1$

素因数の和:2408

約数の個数: 16

約数和(自身を含む): 32722560

約数和(自身を除く): 12306975

約数列:

[1, 3, 5, 15, 919, 1481, 2757, 4443, 4595, 7405, 13785, 22215, 1361039, 4083117, 6805195, 20415585]

約数ペア:

[(1, 20415585), (3, 6805195), (5, 4083117), (15, 1361039), (919, 22215), (1481, 13785), (2757, 7405), (4443, 4595)]