20648463

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{13313}}^1$

素因数の和:13374

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 10026993

約数列:

[1, 3, 11, 33, 47, 141, 517, 1551, 13313, 39939, 146443, 439329, 625711, 1877133, 6882821, 20648463]

約数ペア:

[(1, 20648463), (3, 6882821), (11, 1877133), (33, 625711), (47, 439329), (141, 146443), (517, 39939), (1551, 13313)]