20679999

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{787}}^1$

素因数の和:1270

約数の個数: 16

約数和(自身を含む): 29124480

約数和(自身を除く): 8444481

約数列:

[1, 3, 19, 57, 461, 787, 1383, 2361, 8759, 14953, 26277, 44859, 362807, 1088421, 6893333, 20679999]

約数ペア:

[(1, 20679999), (3, 6893333), (19, 1088421), (57, 362807), (461, 44859), (787, 26277), (1383, 14953), (2361, 8759)]