20912463

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16279

約数の個数: 24

約数和(自身を含む): 35490000

約数和(自身を除く): 14577537

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 16249, 48747, 146241, 178739, 211237, 536217, 633711, 1608651, 1901133, 2323607, 6970821, 20912463]

約数ペア:

[(1, 20912463), (3, 6970821), (9, 2323607), (11, 1901133), (13, 1608651), (33, 633711), (39, 536217), (99, 211237), (117, 178739), (143, 146241), (429, 48747), (1287, 16249)]