20555598

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{503}}^1$

素因数の和:661

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27707442

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 139, 147, 278, 294, 417, 503, 834, 973, 1006, 1509, 1946, 2919, 3018, 3521, 5838, 6811, 7042, 10563, 13622, 20433, 21126, 24647, 40866, 49294, 69917, 73941, 139834, 147882, 209751, 419502, 489419, 978838, 1468257, 2936514, 3425933, 6851866, 10277799, 20555598]

約数ペア:

[(1, 20555598), (2, 10277799), (3, 6851866), (6, 3425933), (7, 2936514), (14, 1468257), (21, 978838), (42, 489419), (49, 419502), (98, 209751), (139, 147882), (147, 139834), (278, 73941), (294, 69917), (417, 49294), (503, 40866), (834, 24647), (973, 21126), (1006, 20433), (1509, 13622), (1946, 10563), (2919, 7042), (3018, 6811), (3521, 5838)]