20289367024

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{62219}}^1$

素因数の和:62545

約数の個数: 40

約数和(自身を含む): 39926574000

約数和(自身を除く): 19637206976

約数列:

[1, 2, 4, 8, 16, 89, 178, 229, 356, 458, 712, 916, 1424, 1832, 3664, 20381, 40762, 62219, 81524, 124438, 163048, 248876, 326096, 497752, 995504, 5537491, 11074982, 14248151, 22149964, 28496302, 44299928, 56992604, 88599856, 113985208, 227970416, 1268085439, 2536170878, 5072341756, 10144683512, 20289367024]

約数ペア:

[(1, 20289367024), (2, 10144683512), (4, 5072341756), (8, 2536170878), (16, 1268085439), (89, 227970416), (178, 113985208), (229, 88599856), (356, 56992604), (458, 44299928), (712, 28496302), (916, 22149964), (1424, 14248151), (1832, 11074982), (3664, 5537491), (20381, 995504), (40762, 497752), (62219, 326096), (81524, 248876), (124438, 163048)]