20848023

素因数分解:

$3^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:545

約数の個数: 40

約数和(自身を含む): 36102528

約数和(自身を除く): 15254505

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 189, 249, 443, 567, 581, 747, 1329, 1743, 2241, 3101, 3987, 5229, 6723, 9303, 11961, 15687, 27909, 35883, 36769, 47061, 83727, 110307, 251181, 257383, 330921, 772149, 992763, 2316447, 2978289, 6949341, 20848023]

約数ペア:

[(1, 20848023), (3, 6949341), (7, 2978289), (9, 2316447), (21, 992763), (27, 772149), (63, 330921), (81, 257383), (83, 251181), (189, 110307), (249, 83727), (443, 47061), (567, 36769), (581, 35883), (747, 27909), (1329, 15687), (1743, 11961), (2241, 9303), (3101, 6723), (3987, 5229)]