20379268

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55987}}^1$

素因数の和:56011

約数の個数: 24

約数和(自身を含む): 43894592

約数和(自身を除く): 23515324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55987, 111974, 223948, 391909, 727831, 783818, 1455662, 1567636, 2911324, 5094817, 10189634, 20379268]

約数ペア:

[(1, 20379268), (2, 10189634), (4, 5094817), (7, 2911324), (13, 1567636), (14, 1455662), (26, 783818), (28, 727831), (52, 391909), (91, 223948), (182, 111974), (364, 55987)]