20944503

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{449}}^1$

素因数の和:599

約数の個数: 24

約数和(自身を含む): 31168800

約数和(自身を除く): 10224297

約数列:

[1, 3, 9, 71, 73, 213, 219, 449, 639, 657, 1347, 4041, 5183, 15549, 31879, 32777, 46647, 95637, 98331, 286911, 294993, 2327167, 6981501, 20944503]

約数ペア:

[(1, 20944503), (3, 6981501), (9, 2327167), (71, 294993), (73, 286911), (213, 98331), (219, 95637), (449, 46647), (639, 32777), (657, 31879), (1347, 15549), (4041, 5183)]