20006841

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 9455559

約数列:

[1, 3, 17, 51, 59, 61, 109, 177, 183, 327, 1003, 1037, 1853, 3009, 3111, 3599, 5559, 6431, 6649, 10797, 19293, 19947, 61183, 109327, 113033, 183549, 327981, 339099, 392291, 1176873, 6668947, 20006841]

約数ペア:

[(1, 20006841), (3, 6668947), (17, 1176873), (51, 392291), (59, 339099), (61, 327981), (109, 183549), (177, 113033), (183, 109327), (327, 61183), (1003, 19947), (1037, 19293), (1853, 10797), (3009, 6649), (3111, 6431), (3599, 5559)]