20479701

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 31795200

約数和(自身を除く): 11315499

約数列:

[1, 3, 11, 19, 33, 57, 89, 209, 267, 367, 627, 979, 1101, 1691, 2937, 4037, 5073, 6973, 12111, 18601, 20919, 32663, 55803, 76703, 97989, 230109, 359293, 620597, 1077879, 1861791, 6826567, 20479701]

約数ペア:

[(1, 20479701), (3, 6826567), (11, 1861791), (19, 1077879), (33, 620597), (57, 359293), (89, 230109), (209, 97989), (267, 76703), (367, 55803), (627, 32663), (979, 20919), (1101, 18601), (1691, 12111), (2937, 6973), (4037, 5073)]