20145711

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:758

約数の個数: 16

約数和(自身を含む): 27417600

約数和(自身を除く): 7271889

約数列:

[1, 3, 79, 167, 237, 501, 509, 1527, 13193, 39579, 40211, 85003, 120633, 255009, 6715237, 20145711]

約数ペア:

[(1, 20145711), (3, 6715237), (79, 255009), (167, 120633), (237, 85003), (501, 40211), (509, 39579), (1527, 13193)]