20148638391

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{18812921}}^1$

素因数の和:18812951

約数の個数: 24

約数和(自身を含む): 35217789984

約数和(自身を除く): 15069151593

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 18812921, 56438763, 131690447, 169316289, 319819657, 395071341, 959458971, 1185214023, 2238737599, 2878376913, 6716212797, 20148638391]

約数ペア:

[(1, 20148638391), (3, 6716212797), (7, 2878376913), (9, 2238737599), (17, 1185214023), (21, 959458971), (51, 395071341), (63, 319819657), (119, 169316289), (153, 131690447), (357, 56438763), (1071, 18812921)]