20163312428

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2509123}}^1$

素因数の和:2509182

約数の個数: 36

約数和(自身を含む): 42047899992

約数和(自身を除く): 21884587564

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 4018, 8036, 2509123, 5018246, 10036492, 17563861, 35127722, 70255444, 102874043, 122947027, 205748086, 245894054, 411496172, 491788108, 720118301, 1440236602, 2880473204, 5040828107, 10081656214, 20163312428]

約数ペア:

[(1, 20163312428), (2, 10081656214), (4, 5040828107), (7, 2880473204), (14, 1440236602), (28, 720118301), (41, 491788108), (49, 411496172), (82, 245894054), (98, 205748086), (164, 122947027), (196, 102874043), (287, 70255444), (574, 35127722), (1148, 17563861), (2009, 10036492), (4018, 5018246), (8036, 2509123)]