20780147703

素因数分解:

$3^1\times 7^3\times {\mathrm{20194507}}^1$

素因数の和:20194531

約数の個数: 16

約数和(自身を含む): 32311212800

約数和(自身を除く): 11531065097

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 20194507, 60583521, 141361549, 424084647, 989530843, 2968592529, 6926715901, 20780147703]

約数ペア:

[(1, 20780147703), (3, 6926715901), (7, 2968592529), (21, 989530843), (49, 424084647), (147, 141361549), (343, 60583521), (1029, 20194507)]