20149898097

素因数分解:

$3^1\times 7^1\times {\mathrm{19427}}^1\times {\mathrm{49391}}^1$

素因数の和:68828

約数の個数: 16

約数和(自身を含む): 30706808832

約数和(自身を除く): 10556910735

約数列:

[1, 3, 7, 21, 19427, 49391, 58281, 135989, 148173, 345737, 407967, 1037211, 959518957, 2878556871, 6716632699, 20149898097]

約数ペア:

[(1, 20149898097), (3, 6716632699), (7, 2878556871), (21, 959518957), (19427, 1037211), (49391, 407967), (58281, 345737), (135989, 148173)]