20192788

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1237}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 44924544

約数和(自身を除く): 24731756

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 53, 77, 106, 154, 212, 308, 371, 583, 742, 1166, 1237, 1484, 2332, 2474, 4081, 4948, 8162, 8659, 13607, 16324, 17318, 27214, 34636, 54428, 65561, 95249, 131122, 190498, 262244, 380996, 458927, 721171, 917854, 1442342, 1835708, 2884684, 5048197, 10096394, 20192788]

約数ペア:

[(1, 20192788), (2, 10096394), (4, 5048197), (7, 2884684), (11, 1835708), (14, 1442342), (22, 917854), (28, 721171), (44, 458927), (53, 380996), (77, 262244), (106, 190498), (154, 131122), (212, 95249), (308, 65561), (371, 54428), (583, 34636), (742, 27214), (1166, 17318), (1237, 16324), (1484, 13607), (2332, 8659), (2474, 8162), (4081, 4948)]