20409942

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7253}}^1$

素因数の和:7332

約数の個数: 32

約数和(自身を含む): 47354112

約数和(自身を除く): 26944170

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7253, 14506, 21759, 43518, 50771, 101542, 152313, 304626, 485951, 971902, 1457853, 2915706, 3401657, 6803314, 10204971, 20409942]

約数ペア:

[(1, 20409942), (2, 10204971), (3, 6803314), (6, 3401657), (7, 2915706), (14, 1457853), (21, 971902), (42, 485951), (67, 304626), (134, 152313), (201, 101542), (402, 50771), (469, 43518), (938, 21759), (1407, 14506), (2814, 7253)]