20420877

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1499}}^1$

素因数の和:1760

約数の個数: 16

約数和(自身を含む): 28800000

約数和(自身を除く): 8379123

約数列:

[1, 3, 19, 57, 239, 717, 1499, 4497, 4541, 13623, 28481, 85443, 358261, 1074783, 6806959, 20420877]

約数ペア:

[(1, 20420877), (3, 6806959), (19, 1074783), (57, 358261), (239, 85443), (717, 28481), (1499, 13623), (4497, 4541)]