20165043225621

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1\times {\mathrm{157307}}^1$

素因数の和:158154

約数の個数: 64

約数和(自身を含む): 31412469565440

約数和(自身を除く): 11247426339819

約数列:

[1, 3, 7, 21, 89, 107, 267, 321, 623, 641, 749, 1869, 1923, 2247, 4487, 9523, 13461, 28569, 57049, 66661, 68587, 157307, 171147, 199983, 205761, 399343, 471921, 480109, 1101149, 1198029, 1440327, 3303447, 6104243, 14000323, 16831849, 18312729, 42000969, 42729701, 50495547, 98002261, 100833787, 117822943, 128189103, 294006783, 302501361, 353468829, 705836509, 1498034561, 2117509527, 4494103683, 8974207043, 10486241927, 10789215209, 26922621129, 31458725781, 32367645627, 62819449301, 75524506463, 188458347903, 226573519389, 960240153601, 2880720460803, 6721681075207, 20165043225621]

約数ペア:

[(1, 20165043225621), (3, 6721681075207), (7, 2880720460803), (21, 960240153601), (89, 226573519389), (107, 188458347903), (267, 75524506463), (321, 62819449301), (623, 32367645627), (641, 31458725781), (749, 26922621129), (1869, 10789215209), (1923, 10486241927), (2247, 8974207043), (4487, 4494103683), (9523, 2117509527), (13461, 1498034561), (28569, 705836509), (57049, 353468829), (66661, 302501361), (68587, 294006783), (157307, 128189103), (171147, 117822943), (199983, 100833787), (205761, 98002261), (399343, 50495547), (471921, 42729701), (480109, 42000969), (1101149, 18312729), (1198029, 16831849), (1440327, 14000323), (3303447, 6104243)]