20078344

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17551}}^1$

素因数の和:17581

約数の個数: 32

約数和(自身を含む): 44231040

約数和(自身を除く): 24152696

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17551, 35102, 70204, 140408, 193061, 228163, 386122, 456326, 772244, 912652, 1544488, 1825304, 2509793, 5019586, 10039172, 20078344]

約数ペア:

[(1, 20078344), (2, 10039172), (4, 5019586), (8, 2509793), (11, 1825304), (13, 1544488), (22, 912652), (26, 772244), (44, 456326), (52, 386122), (88, 228163), (104, 193061), (143, 140408), (286, 70204), (572, 35102), (1144, 17551)]