20565702128

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{324503}}^1$

素因数の和:324761

約数の個数: 40

約数和(自身を含む): 42371136288

約数和(自身を除く): 21805434160

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 233, 272, 466, 932, 1864, 3728, 3961, 7922, 15844, 31688, 63376, 324503, 649006, 1298012, 2596024, 5192048, 5516551, 11033102, 22066204, 44132408, 75609199, 88264816, 151218398, 302436796, 604873592, 1209747184, 1285356383, 2570712766, 5141425532, 10282851064, 20565702128]

約数ペア:

[(1, 20565702128), (2, 10282851064), (4, 5141425532), (8, 2570712766), (16, 1285356383), (17, 1209747184), (34, 604873592), (68, 302436796), (136, 151218398), (233, 88264816), (272, 75609199), (466, 44132408), (932, 22066204), (1864, 11033102), (3728, 5516551), (3961, 5192048), (7922, 2596024), (15844, 1298012), (31688, 649006), (63376, 324503)]