20110513904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{5591}}^1\times {\mathrm{17293}}^1$

素因数の和:22905

約数の個数: 40

約数和(自身を含む): 41971292832

約数和(自身を除く): 21860778928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 5591, 11182, 17293, 22364, 34586, 44728, 69172, 72683, 89456, 138344, 145366, 224809, 276688, 290732, 449618, 581464, 899236, 1162928, 1798472, 3596944, 96685163, 193370326, 386740652, 773481304, 1256907119, 1546962608, 2513814238, 5027628476, 10055256952, 20110513904]

約数ペア:

[(1, 20110513904), (2, 10055256952), (4, 5027628476), (8, 2513814238), (13, 1546962608), (16, 1256907119), (26, 773481304), (52, 386740652), (104, 193370326), (208, 96685163), (5591, 3596944), (11182, 1798472), (17293, 1162928), (22364, 899236), (34586, 581464), (44728, 449618), (69172, 290732), (72683, 276688), (89456, 224809), (138344, 145366)]