20854554

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7411}}^1$

素因数の和:7490

約数の個数: 32

約数和(自身を含む): 48385536

約数和(自身を除く): 27530982

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7411, 14822, 22233, 44466, 51877, 103754, 155631, 311262, 496537, 993074, 1489611, 2979222, 3475759, 6951518, 10427277, 20854554]

約数ペア:

[(1, 20854554), (2, 10427277), (3, 6951518), (6, 3475759), (7, 2979222), (14, 1489611), (21, 993074), (42, 496537), (67, 311262), (134, 155631), (201, 103754), (402, 51877), (469, 44466), (938, 22233), (1407, 14822), (2814, 7411)]