20658274

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{509}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 38384640

約数和(自身を除く): 17726366

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 223, 446, 509, 1018, 1561, 2899, 3122, 3563, 5798, 6617, 7126, 13234, 20293, 40586, 46319, 92638, 113507, 227014, 794549, 1475591, 1589098, 2951182, 10329137, 20658274]

約数ペア:

[(1, 20658274), (2, 10329137), (7, 2951182), (13, 1589098), (14, 1475591), (26, 794549), (91, 227014), (182, 113507), (223, 92638), (446, 46319), (509, 40586), (1018, 20293), (1561, 13234), (2899, 7126), (3122, 6617), (3563, 5798)]