20910861

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{929}}^1$

素因数の和:1037

約数の個数: 24

約数和(自身を含む): 31482360

約数和(自身を除く): 10571499

約数列:

[1, 3, 9, 41, 61, 123, 183, 369, 549, 929, 2501, 2787, 7503, 8361, 22509, 38089, 56669, 114267, 170007, 342801, 510021, 2323429, 6970287, 20910861]

約数ペア:

[(1, 20910861), (3, 6970287), (9, 2323429), (41, 510021), (61, 342801), (123, 170007), (183, 114267), (369, 56669), (549, 38089), (929, 22509), (2501, 8361), (2787, 7503)]