20104431417

素因数分解:

$3^4\times 7^1\times {\mathrm{6481}}^1\times {\mathrm{5471}}^1$

素因数の和:11971

約数の個数: 40

約数和(自身を含む): 34334479872

約数和(自身を除く): 14230048455

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 5471, 6481, 16413, 19443, 38297, 45367, 49239, 58329, 114891, 136101, 147717, 174987, 344673, 408303, 443151, 524961, 1034019, 1224909, 3102057, 3674727, 35457551, 106372653, 248202857, 319117959, 744608571, 957353877, 2233825713, 2872061631, 6701477139, 20104431417]

約数ペア:

[(1, 20104431417), (3, 6701477139), (7, 2872061631), (9, 2233825713), (21, 957353877), (27, 744608571), (63, 319117959), (81, 248202857), (189, 106372653), (567, 35457551), (5471, 3674727), (6481, 3102057), (16413, 1224909), (19443, 1034019), (38297, 524961), (45367, 443151), (49239, 408303), (58329, 344673), (114891, 174987), (136101, 147717)]