20420358

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{69457}}^1$

素因数の和:69476

約数の個数: 24

約数和(自身を含む): 47509272

約数和(自身を除く): 27088914

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69457, 138914, 208371, 416742, 486199, 972398, 1458597, 2917194, 3403393, 6806786, 10210179, 20420358]

約数ペア:

[(1, 20420358), (2, 10210179), (3, 6806786), (6, 3403393), (7, 2917194), (14, 1458597), (21, 972398), (42, 486199), (49, 416742), (98, 208371), (147, 138914), (294, 69457)]