20809030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1873}}^1$

素因数の和:1992

約数の個数: 32

約数和(自身を含む): 41287968

約数和(自身を除く): 20478938

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 505, 1010, 1111, 1873, 2222, 3746, 5555, 9365, 11110, 18730, 20603, 41206, 103015, 189173, 206030, 378346, 945865, 1891730, 2080903, 4161806, 10404515, 20809030]

約数ペア:

[(1, 20809030), (2, 10404515), (5, 4161806), (10, 2080903), (11, 1891730), (22, 945865), (55, 378346), (101, 206030), (110, 189173), (202, 103015), (505, 41206), (1010, 20603), (1111, 18730), (1873, 11110), (2222, 9365), (3746, 5555)]