20156293892

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1\times {\mathrm{16361}}^1$

素因数の和:18308

約数の個数: 48

約数和(自身を含む): 42089870592

約数和(自身を除く): 21933576700

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 1913, 3826, 7652, 13391, 16361, 26782, 32722, 43999, 53564, 65444, 87998, 114527, 175996, 229054, 307993, 376303, 458108, 615986, 752606, 1231972, 1505212, 2634121, 5268242, 10536484, 31298593, 62597186, 125194372, 219090151, 438180302, 719867639, 876360604, 1439735278, 2879470556, 5039073473, 10078146946, 20156293892]

約数ペア:

[(1, 20156293892), (2, 10078146946), (4, 5039073473), (7, 2879470556), (14, 1439735278), (23, 876360604), (28, 719867639), (46, 438180302), (92, 219090151), (161, 125194372), (322, 62597186), (644, 31298593), (1913, 10536484), (3826, 5268242), (7652, 2634121), (13391, 1505212), (16361, 1231972), (26782, 752606), (32722, 615986), (43999, 458108), (53564, 376303), (65444, 307993), (87998, 229054), (114527, 175996)]